prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a...

Scholars Report | open access peer reviewed journal Page 1 2017 | Volume 2 | Issue 1 | ScholReps-000016 Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo Padrón Arredondo *1 Editor: Brijesh Kumar Singh Scholars Report Citation and Copyrights Citation: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1). Copyright: © 2017 Padrón-Arredondo G. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Publication Details Received: 15-Oct-16 Accepted: Dec 26, 2016 Published: Jan 16, 2017 Subject: Hepatology Site of work: Surgery Department of General Hospital Playa del Carmen Av. Constituyentes s/n c/Av. 135 Colonia Ejido. Playa del Carmen, Quintana Roo. México. Postal Code: 77712. Tel.: 01-984-206-1691 [email protected] Conflict of interest: The author declare that she has no conflicts of interests regarding the focus, interest or any of the contents of this work. Funding: No source of funding supports the preparation, writing or completion of this work. Abstract Background Background.Liver abscesses are an expression of a disease that remains a challenge, as their clinical course is usually severe, diagnosis it`s somemes late and have high mortality. Pyogenic liver abscess does not represent a specific liver disease, but rather the final desnaon of many disease processes. Material and method A descripve and retrospecve study based on the review of the medical records of paents diagnosed with hepac abscess during a period of 6 years (2011-2016) was performed. Descripve stascs were used for averages and percentages as well as standard deviaon. Results During the study period only six cases of liver abscesses were collected. Four cases were men and two women; two cases were listed as amoebic, two cases as pyogenic and two eology was not specified. All were treated with medical therapy; complicaons two cases with pleural effusion, and a case with paralyc ileus post puncture resolved with medical management; one case with combined use (anbiocs more puncture catheter); there were no surgical procedures and no mortality. Discussion From the eopathogenic point of view, germs can invade the liver through different routes, and hepac abscess are classified as diffusion pathway. In abscesses or biliary cholangis, the obstrucon may be due to benign causes, as choledocholithiasis, stenosis and sclerosing cholangis, or malignancies, such as pancreac carcinoma or bile ducts. Eologic agent previously dominant E. coli, however, currently the most frequently agent has been isolated is the Klebsiella. Treatment is medical and / or surgical depending on your progress. Original article * 1 Guillermo Padrón Arredondo MD Cerrada Corales 138, Residencial Playa del Sol Solidaridad, Playa del Carmen, Quintana Roo. México. PC: 77724. Tel. 01-984-110-0707 Cell. 01-984-876-2267 [email protected]

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Page 1: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal Page 1 2017 | Volume 2 | Issue 1 | ScholReps-000016

Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years.Guillermo Padrón Arredondo *1

Editor:Brijesh Kumar SinghScholars Report

Citation and CopyrightsCitation: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

Copyright: © 2017 Padrón-Arredondo G. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited

Publication DetailsReceived: 15-Oct-16 Accepted: Dec 26, 2016 Published: Jan 16, 2017 Subject: Hepatology

Site of work:Surgery Department of General Hospital Playa del CarmenAv. Constituyentes s/n c/Av. 135 Colonia Ejido. Playa del Carmen, Quintana Roo. México. Postal Code: 77712.Tel.: [email protected]

Conflict of interest: The author declare that she has no conflicts of interests regarding the focus, interest or any of the contents of this work.

Funding: No source of funding supports the preparation, writing or completion of this work.

AbstractBackground Background.Liver abscesses are an expression of a disease that remains a challenge, as their clinical course is usually severe, diagnosis it`s sometimes late and have high mortality. Pyogenic liver abscess does not represent a specific liver disease, but rather the final destination of many disease processes.

Material and method A descriptive and retrospective study based on the review of the medical records of patients diagnosed with hepatic abscess during a period of 6 years (2011-2016) was performed. Descriptive statistics were used for averages and percentages as well as standard deviation.

Results During the study period only six cases of liver abscesses were collected. Four cases were men and two women; two cases were listed as amoebic, two cases as pyogenic and two etiology was not specified. All were treated with medical therapy; complications two cases with pleural effusion, and a case with paralytic ileus post puncture resolved with medical management; one case with combined use (antibiotics more puncture catheter); there were no surgical procedures and no mortality.

Discussion From the etiopathogenic point of view, germs can invade the liver through different routes, and hepatic abscess are classified as diffusion pathway. In abscesses or biliary cholangitis, the obstruction may be due to benign causes, as choledocholithiasis, stenosis and sclerosing cholangitis, or malignancies, such as pancreatic carcinoma or bile ducts. Etiologic agent previously dominant E. coli, however, currently the most frequently agent has been isolated is the Klebsiella. Treatment is medical and / or surgical depending on your progress.

Original article

*1Guillermo Padrón Arredondo MDCerrada Corales 138, Residencial Playa del SolSolidaridad, Playa del Carmen, Quintana Roo. México. PC: 77724.Tel. 01-984-110-0707 Cell. [email protected]

Page 2: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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Introduction Liver abscesses are an expression of a disease that still remains a medical challenge,

since their clinical course is usually severe, diagnosis, sometimes late and high mortality. Pyogenic

liver abscess (PLA) does not represent a specific liver disease, but rather the final destination of

many disease processes.

In recent decades, there have been several advances such as the introduction of

antibiotics and the development of radiological techniques (US and CT and MRI) that have

improved the diagnostic efficacy and possible percutaneous drainage. Both circumstances,

coupled with the improvement in the management of severely ill, has determined that the

mortality rate has decreased significantly, ranging from 10 to 30%; however, the complication

rate is still high (30-60%).

Hepatic amoebic abscesses (HAA) in areas where amoebiasis is endemic, as in Mexico,

predominate over pyogenic, whereas they are more prevalent in developed countries, where

those are < 20%; however, in certain areas thereof and due to migration phenomena, this pattern

is altered in future.[1]

Material and Method An observational, descriptive and retrospective study based on the review of the medical

records of patients discharged with a diagnosis of HA at the Hospital General Playa del Carmen,

Quintana Roo, Mexico for a period of six years between January 2011 and December 2016 was

conducted, according to information it consists in the hospital statistics service.

Basic demographic information (age, sex), comorbidity, findings of hematological,

biochemical and ultrasound and / or tomographic information, the established management and

evolution was recorded.

HA in patient with compatible clinical features and diagnosis confirmed by ultrasound

and / or tomography, they were defined as inclusion criteria. After reviewing medical records that

had failed or not supported diagnosis were excluded, the results are presented as frequencies

and percentages for categorical variables; averages according to the distribution of quantitative

variables. Descriptive statistics were used for statistic analysis.

Results During the study period six cases of liver abscesses collected one year with 0.5 cases per

100 000 inhabitants / year. Four cases (66.6%) were men and two (33.3%) women; maximum age

64 years, age 26 years, mean 46, median 48 and 49 fashion with a SD = 12.3; days of hospital stay:

maximum 15 days, at least 1 day, average 7.6, median 6, mode 15 and SD = 6. Two cases (33.3%)

were classified as amoebic, 2 (33.3%) cases with pyogenic and two (33.3%) the etiology was not

specified. One case presented as a factor of risk jaundice and Cancer (Table 1). All cases had

elevated glucose. Laboratory findings on admission (Table 2). Hb: mean 10.4, median 10.3, mode

9.1, SD = 1.5; Ht: mean 30.6, median 30.5. SD = 4.5; leukocytosis: mean 17.6, median 15.5, SD =

Keywords: Pyogenic liver abscess; Amebic liver abscess; Prevalence

Page 3: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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5.5; glucose: mean 270, media 200, DE = 166; FA: media 421, medium 296, SD = 411; BD: mean 4

medium 1.2, SD = 5.6: BI: mean 4.7, median 0.34, SD = 6.9; TGO: average 62, median 41, SD = 53;

TGP: mean 31.5, median 32.5, SD = 25; urea: average 22, median 12.9, SD = 30; creat: mean 0.8,

median 0.7, SD = 0.7; Albumin: mean 2 medium 2.5, SD = 1.1; TP: average 12 median13, SD = 6.7;

TPT: average 24, median 28, SD = 12. Diabetes mellitus 2 only three cases (50%) were known and

ignored the rest (50%). Five cases located in right hepatic lobe and a case on the left; six cases

underwent US and CT; all cases were treated with medical therapy (metronidazole six cases,

cephalosporins five cases and one case with quinolone and puncture catheter; complications two

cases with pleural effusion, and a case with paralytic ileus post-puncture resolved with medical

management; there were no surgical procedures and none mortality (Table 3).

Discussion From the point of view etiopathogenic germs can invade the liver through different

routes, and depending on the route of diffusion, the PLA are classified. In abscesses or biliary

cholangitic, obstruction may be due to benign causes such as choledocholithiasis, strictures, and

sclerosing cholangitis, or malignancies, such as pancreatic carcinoma or bile duct. Although it is

clear that the bile flow obstruction can cause abscesses, there is little agreement with regard to

the production mechanism.

Abscesses portal origin are often secondary to infection of an organ whose venous

drainage is performed in the portal system, as may occur in the course of appendicitis,

diverticulitis, ulcerative colitis or pancreatitis. Crohn's disease is complicated, so rare with liver

abscesses, despite being quite common in these patients, a high degree portal bacteremia.

They have also been found liver abscesses after performing anal surgery and after

ingestion of various foreign bodies. Abscesses direct extension occur as a result of infection

neighborhood, contiguity, it affects the liver parenchyma. The most common diseases associated

with such abscesses are usually: acute cholecystitis, empyema, subphrenic abscess or other

contiguous abdominal abscesses, perforated ulcers, etc. Despite the various technical advances,

the incidence of PLA has always been low, constant throughout the twentieth century remain,

ranging from 0.29-1.47% of autopsy series 0.008- to 0.016% of hospital admissions; however,

in recent years we are seeing a slight but progressive increase diagnosis, with an incidence

between 0.020 and 0.088% of hospital admissions. It is unclear whether this upward trend is due

to changes in the real incidence, greater diagnostic efficacy or variations in income policy. It is

remarkable a recent population study, which found eleven cases / 1,000,000 inhabitants / year.

In general it has an incidence varying from 1.1-2.3 for each 100.000 habitants.[2] In our results,

we found only 0.5 cases per year/100, 000 inhabitants, which speaks fortunately low frequency

of this disease in our environment.

The classic triad of fever, jaundice and pain, widely described in the literature, and

almost always associated with cholangitis or pylephlebitis, is seen less and less in the current

series, being more common sub-clinical form and undemonstrative, represented by fever, malaise

overall, anorexia, vomiting, weight loss, etc. This clinical presentation, observed especially in

elderly patients, may lead to confusion with cancerous processes, but also a PLA can be the

Page 4: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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presentation of a neoplasm. Hepatomegaly or painful palpable mass is one of the signs described

in this disease, with varying frequency between 38 and 60%.

Moreover, the amoebiasis is the third leading cause of death from parasitic disease

in the world; within the intestinal manifestations of this disease is amebic liver abscess. This

entity is observed with higher incidence in underdeveloped countries like Mexico, so it should

be diagnosed and treated with antiparasitic drugs in uncomplicated cases and can be prevented

with proper hygiene measures.

Pyogenic liver abscesses (PLA) have been described with a higher prevalence in countries

with temperate climate with an average size between 5 and 10 cm, referring to sizes up to 20

cm, varying treatment. The clinical presentation is diverse in which predominates fever, pain and

hepatomegaly, jaundice adding associated as a sign of seriousness.

Etiologic agent previously dominant E. coli, however, currently the most frequently

agent has been isolated is the Klebsiella. Treatment is medical and / or surgical depending on

your progress. [3]

Approximately 80% of patients with amoebic liver abscess (ALA) symptoms that develop

over a period of days to weeks, typically less than 2 to 4 weeks. Among travelers who have an

HAA after leaving an endemic area, 95% developed in the first five months. Young patients with

ALA are more likely to go with greater intensity of symptoms within ten days. Most patients have

fever and pain in the right upper quadrant, which may be severe or pleuritic nature and irradiated

shoulder. Often the point tenderness it`s the liver and the right pleural effusion, jaundice is rare.

While the primary site of infection in the colon is less than one third. [4]

It is not possible to provide accurate regarding the etiology in our series information,

only in one patient, because rarely seroameba test was conducted after identifying a probable

hepatic abscess and one third of patients had record crop secretion performed; only in patients

could be isolated germ, which have to 14.28% of the cultures secreting defined etiology abscess.

No significant differences in clinical amoebic abscess and pyogenic, since both more

than 90% of patients experience weight loss, fever, abdominal pain, night sweats, chills and

malaise, can also present vomiting, headache, myalgia , pruritus, diarrhea, in more serious cases,

confusion, and shock. Clinical examination can be found jaundice and right upper quadrant pain

that worsens on percussion.

Other patients enrolled only with fever, therefore, the diagnosis of amebic liver abscess

should always be seen in the presence of fever of unknown origin. In its diaphragmatic abscesses

usually no respiratory symptoms such as cough and pleuritic pain radiating to the right shoulder.

[5]

According to Shi SH, et al., little is known about etiology and morbidity and clinical

characteristics of pyogenic liver abscess caused by extended-spectrum beta-lactamase (ESBL)-

producing Enterobacteriaceae and PLA caused by ESBL-producing Enterobacteriaceae isolates

mainly occurs in patients with biliary disorders and with a treatment history of malignancy.[6]

The mainstay of treatment remains carbapenems in combination with adequate aspiration or

Page 5: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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drainage.

Ulger TN, et al., present a case of pyogenic liver abscess toxigenic C. difficile by a woman

of 80 years old not hospitalized with diabetes mellitus, cerebrovascular and cardiovascular

disease.[7] Toxigenic C. difficile was susceptible to antibiotics but despite appropriate antibiotic

therapy and surgical drainage the patient died.

Lin JN, et al., report that PLA can be a rare but severe in patients with inflammatory bowel

disease (IBD) extraintestinal complication.[8] However, their incidence is unknown. Patients with

diabetes mellitus or with percutaneous aspiration of the bile ducts and gall and who underwent

endoscopic placement of a biliary drainage tube gallbladder showed a significantly increased risk

of PLA particularly those with ulcerative colitis. The knowledge of the expected frequency and the

potential risk of this serious extraintestinal infection can minimize the serious consequences.

Ming Shai T, et al., he found in their study that an additional analysis showed that

diverticular disease group exhibited a high risk of PLA whether patients had diverticulitis.[9] In

our series, one patient have diverticular disease but isolate germen were Staph. aureus.

Ming-Shian T, et al., report that gastrectomy which is a widely used treatment option

for many diseases, including morbid obesity, peptic ulcer disease and gastric neoplasia.[10]

However, if patients who have undergone gastrectomy high risk of bacterial infection in your

digestive system is not yet clear. Gastric acid is a crucial mechanism against infection of the

digestive system. Therefore, medical and surgical treatments that reduce gastric acid secretion

can increase the risk of digestive tract infection. For example, the use of agents gastric acid

suppression is associated with an increased risk of infection by Clostridium difficile. Moreover,

gastrectomy has been associated with enterocolitis. In severe outbreaks of E. coli associated

colitis, gastrectomy is considered an independent risk factor for infection. Without recognition

and timely treatment, the PLA can be fatal. In theory, the various conditions that cause intestinal

infection may increase the risk of PLA, and clinically identify the underlying etiology is an integral

part of the management of the PLA, none of our patients were operated gastrectomy.

Jaideep Dey, et al., reported in their study that 25% of patients presenting with liver

abscess tuberculous etiology had no characteristics of active pulmonary or miliary tuberculosis.

[11] The liver can act as the primary site of involvement in the absence of activity in other body

sites. Tuberculosis elsewhere should be considered as an important differential diagnosis of PLA

regardless of evidence of active tuberculosis in other parts of the body.

Cherian J, et al., tell us that most of the PLA are polymicrobial etiology with less than

10% caused by Staphylococcus aureus.[12] Of these, few are caused by Staph. aureus resistant

to methicillin (MRSA) and even less by a community-acquired strain. Typically, a liver abscess

is treated empirically with ceftriaxone for pyogenic liver abscess and metronidazole for amebic

liver abscess. However, if the patient has risk factors for a staph infection, it is imperative that

antibiotics that cover gram-positive awaiting culture reports organisms are added. Only one case

have Staphylococcus aureus infection in our series.

Lardiere, et al., report that microbial contamination of the liver parenchyma leading

Page 6: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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to hepatic abscess (HA) can occur via the bile ducts or vessels (arterial or portal) or directly, by

contiguity.[13] Infection is usually bacterial, sometimes parasitic, or very rarely fungal. In the

Western world, bacterial (pyogenic) HA is most prevalent; the mortality is high approaching 15%,

due mostly to patient debilitation and persistence of the underlying cause. In South-East Asia and

Africa, amebic infection is the most frequent cause.

The etiologies of HA are multiple including lithiasic biliary disease (cholecystitis,

cholangitis), intra-abdominal collections (appendicitis, sigmoid diverticulitis, Crohn's disease), and

bile duct ischemia secondary to pancreatoduodenectomy, liver transplantation, interventional

techniques (radio-frequency ablation, intra-arterial chemo-embolization), and/or liver trauma.

More rarely, HA occurs in the wake of septicemia either on healthy or preexisting liver diseases

(biliary cysts, hydatid cyst, cystic or necrotic metastases).

The incidence of HA secondary to Klebsiella pneumoniae is increasing and can give rise

to other distant septic metastases. The diagnosis of HA depends mainly on imaging (sonography

and/or CT scan), with confirmation by needle aspiration for bacteriology studies. The therapeutic

strategy consists of bactericidal antibiotics, adapted to the germs, sometimes in combination

with percutaneous or surgical drainage, and control of the primary source. The presence of bile

in the aspirate or drainage fluid attests to communication with the biliary tree and calls for biliary

MRI looking for obstruction.

When faced with HA, the attending physician should seek advice from a multi-specialty

team including an interventional radiologist, a hepatobiliary surgeon and an infectious disease

specialist. This should help to determine the origin and mechanisms responsible for the abscess,

and to then propose the best appropriate treatment. The presence of chronic enteric biliary

contamination (i.e., sphincterotomy, bilio-enterostomy) should be determined before performing

radio-frequency ablation and/or chemo-embolization; substantial stenosis of the celiac trunk

should be detected before performing pancreatoduodenectomy to help avoid iatrogenic HA.

Kale S, et al., unfortunately, there is confusion among the medical community regarding

the management of amoebic liver abscess (ALA).[14] Treatment options range from simple drug

therapy with the use of interventions such as needle aspiration or catheter under ultrasound

guidance to surgery. There are a number of parameters such as the maximum diameter of

abscess and volume on ultrasound suggested by several authors to serve as a criterion to help

decide when to use which modality in these cases. A conservative approach is effective in treating

the AHA for most patients. The failure of conservative treatment was predicted by the size of the

abscess (maximum diameter > 7.7 cm).

Kasamatsu Y, et al., reported that amoebic liver abscess alone in the right lobe small (<5

cm) are usually treated using only medical treatment, while large abscesses are usually treated

through a combination of antibiotics and sewer system.[15] However, the therapeutic indications

of ALA (5-10 cm) remain unclear. They report a 53-year-old who was receiving lenalidomide

for multiple myeloma and later developed multiple amoebic abscesses. Metronidazole was

unsuccessful and only percutaneous drainage of the right lobe, left lobe, and chest proved

ultimately successful.

Page 7: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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JK Ghosh, et al., reported that needle aspiration with metronidazole hastens clinical

improvement especially in large cavities in patients with ALA (5 to 10 cm); Aspiration is safe

and no major complications occurred. Therefore, combination therapy should be the first choice,

especially in large ALA (5 to 10 cm).[16]

Yildiz H, et al., report a male patient aged 67, known systemic sarcoidosis was

admitted to the internal medicine service because of cough and chest pain for several weeks.

Tomodensitometry chest showed multiple pulmonary nodules.[17]

Biopsies showed characteristics compatible with abscesses. Cultures and serologic tests

were negative and the patient was successfully treated with prednisone. Three years later, a

thoracoabdominal tomodensitometry showed a relapse in the lung and also the emergence of

similar lesions in the liver. The blood test revealed elevated level of CRP 40 mg / L and mild

cholestasis. Liver biopsies excluded neoplastic or infectious disease and showed the formation

of granulation tissue with an inflammatory abscess. Next, a diagnosis of sarcoidosis associated

aseptic abscesses syndrome, which was successfully treated with corticosteroids was performed.

Sohn SH, et al., recommend that when the PLA forecast appears to be dependent pathologies and

severity of the underlying condition.[18] The most aggressive treatment should be considered if

a poor prognosis is expected.

Czerwonko ME, et al., report that in the current times of modern surgery, transplantation

and percutaneous techniques, PLA has become a problem essentially biliary or iatrogenic.

[19] The history of cholangitis is a strong predictor of recurrence. Mortality associated with

hyperbilirubinemia and anatomical distribution of lesions.

Meyer M, et al., report that E. histolytica can live asymptomatically in the human gut,

or may disrupt the intestinal barrier and induce life-threatening abscesses indifferent organs,

most commonly in the liver.[20] The molecular structure that makes possible this invasion, highly

pathogenic phenotype is not yet well understood. Based on extensive studies of the transcriptome

of these clones, a set of candidate genes that are potentially involved in pathogenicity were

identified. Using ectopic overexpression of the most promising candidates, either pathogenic or

non-pathogenic clones Entamoeba, they have identified genes that high expression of reduced

pathogenicity and only a gene that increases the pathogenicity. Overall, the present study

identifies new pathogenicity factors of E. histolytica and highlights the observation that many

different genes contribute to the pathogenicity.

Mavilia MG, et al., report that despite its low incidence, the HA is associated with a

relatively high rate of mortality and serious complications.[21] For these reasons, immediate

recognition is essential to institute effective management and achieving good results. Because

the symptoms are not specific or laboratory results, the presence of predisposing factors may be

useful to increase the level of diagnostic suspicion. Radiographic features can help both with the

classification of HA and appropriate treatment approach. Depending on their characteristics HA

can be effectively treated by either DP or DQ in combination with antibiotics. The key to getting

Page 8: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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good results with both approaches is early diagnosis and the establishment of appropriate

treatment. Surgery is indicated only in broken liver abscess, peritonitis, difficult anatomical and

surgical pathologies access coexistent.

Shelat, et al., found in their study that negative cultures compared to those positive for

Kliebsiella pneumoniae had the same response to treatment, but in our cases the cultures were

not performed in patients and their treatment was empirical.[22]

In study of Zhao-Qing D, et al., all the patients, once diagnosed with PLA, were usually

treated by a combination of a two or third-generation cephalosporin and metronidazole

empirically or based on identification of bacteria and susceptibility test if available.[23] Usually

Treatments of PLA (antibiotics alone, PD or SD) were decided according to abscess size, number,

degree of abscess liquefaction, separation of abscess cavity, patient response to antibiotics

and personal experience of the physicians. All the patients with positive blood culture were

treated with intravenous antibiotics for 7 to 14 days or even longer depending on the clinical

and radiological response. For patients undergoing PD, a 12 to 14 Fr drains were placed into the

abscess cavity monitored by ultrasound. And the volume of drains was documented daily. Once

the volume of drains was decreased less than 10 ml/day, the patients would undergo ultrasound

examination for confirmation of drains displacement, obstruction or complete drainage. The

drainage tube would then be repositioned, replaced or withdrawn depending on imaging findings.

SD was mostly performed for patients with large or giant abscess with thick pus, multiple abscess

separation, failure of PD due to location or ineffective drainage, or abscess rupture. Abscess

cavity was determined with the help of ultrasound. Abscess wall was deroofed, and loculations

were broken down.

For patients with concurrent biliary disorders, additional biliary tract procedures were

performed. Liver resection was performed for abscess with complete destruction of a segment

or section of liver parenchyma. As it can be observed in our study, the treatment with double

scheme antibiotics was the management in all the patients except one that could be guided

puncture in another hospital being the only mixed treatment.

Hepatic abscesses are a relatively rare occurrence, but an important problem

nonetheless. Improved awareness can decrease complications and mortality rates. Clinical

features of pyogenic abscesses and amoebic abscessesare somewhat similar, but pyogenic

abscesses are generally described as being more aggressive. Ultrasound andCT scans play key

roles in diagnosis, but confirmation using blood/pus cultures and indirect hemagglutination

tests are also recommended. Early treatment with broad-spectrum amoebicidal antibiotics, and

percutaneous aspiration can prevent serious complications, Bhatti AB, et al.[24]

Kannathasan S, et al., in your article since 1985, amoebic liver abscess (ALA) has been a

public health problem in northern Sri Lanka.[25] Clinicians arrive at a diagnosis based on clinical

and ultrasonographic findings, which cannot differentiate pyogenic liver abscess (PLA) from ALA.

As the treatment and outcome of the ALA and PLA differs, determining the etiological agent is

crucial.

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Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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Immunological diagnosis of 346 serum samples tested for E. histolytica circulating

antigen, 344 were positive (99.4%). All 221 pus samples (100%) collected from patients who were

sero-positive for E. histolytica, were positive for E. histolytica antigen. Among the 346 serum

samples investigated, 345 were positive (99.7%) for IgG antibody against E. histolytica. Although

the one sample which was negative for IgG antibody was positive for circulating Entamoeba

antigen.Moreover, E. histolytica IgG antibodies were negative in 100 serum samples collected

from healthy individuals, suggesting that the sensitivity of the test is 100% and the specificity is

99.01%. Further, the positive and negative predictive values of the test were 99.7% and 100%,

respectively. Undoubtedly, the distinction between amebic liver abscess and pyogenic hepatic

abscess is ideal for establishing a specific treatment and thus avoiding empirical treatment.

Conclusion Prevalence of hepatic abscess is very low in our environment; the treatment is the

combination with antibiotics (metronidazole and cephalosporin or quinolone) and with or

without drainage catheter; our patients not required surgical procedures; and there was no

mortality, therefore, its management has been satisfactory.

The results of the study are influenced by the low number of patients (six patients), as

well as the lack of cultures of the material obtained to determine the etiology of the abscess.

Similarly, the lack of permanent tomography as well as magnetic resonance imaging does not

allow to specify the characteristics of the abscess in support of the diagnosis.

The lack of interventional radiologists also limit the management of this type of patients

because percutaneous drainage is the initial method of choice for treatment.

However, the clinical picture of hepatic asbestos is the touchstone for the suspicion of

this pathology, which generally responds to combined interventional and / or medical treatment

for amoebiasis and pyogenic origin.

Abbreviations HAA hepatic amoebic abscess; ALA amoebic liver abscess; AHA Amebic hepatic abscess;

HA hepatic abscess; MRI image magnetic resonance; MRSA staph aureus resistant methicillin;

DP Percutaneous drainage; DQ Surgical drainage; PLA pyogenic liver abscess; PD Percutaneous

drainage; US ultrasound; CT computed tomography; DM diabetes mellitus; Hb hemoglobin ;

Leuc leucocytes; Gluc glucose; FA alkaline phosphatase

Acknowledgment None

Declaration Author,statesthatthisresearchworkisoriginalandhasnotbeenpublishedinwholeorinpartelsewhere.

Authorship (author(s) contribution or attribution) Thesingleauthorofthisworkistheonewhocollectedinformation,wroteandrevisedthemanuscriptandhadtheconcepttobepublishedandsubmittingforpublication.

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Page 10: Prevalence of liver abscess (pyogenic and amebic) in … of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Guillermo

Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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Scholars Report | open access peer reviewed journal 2017 | Volume 2 | Issue 1 | ScholReps-000016

Cite this aticle: Padrón-Arredondo G (2017) Prevalence of liver abscess (pyogenic and amebic) in a secondary hospital in southeastern of Mexico. Analysis of six years. Scholars Report 2(1).

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Table 3.CharacteristicsofpatientswithmultiplehandlinginsixpatientswithHepaticabscess.

Characteristics Patient 1 Patient 2 Patient 3 Patient 4 Patient 5 Patient 6Sex Female Male Male Male Female MaleAge 64 49 26 47 41 49Background Ca None None None None diverticular

diseaseHb(g/dl) 9.1 10.2 10.8 13.2 9.1 10.5Albumin 2.8 2.8 0 3.0 2.1 2.2Lobe Right Right Right Right Left RightAntibiótic Cefalosporine/

MetronidazoleCefalosporine/Metronidazole

Cefalosporine/Metronidazole

Cefalosporine/Metronidazole

Cefalosporine/Metronidazole

Cefalosporine/Metronidazole

Initialmanagement

Médical Médical Médical Médical Médical Médical/drainage/catheter

Failure Not Not Not Not Not NotEvolution Favorable Favorable Favorable Favorable Favorable Favorable

Table 2.LaboratorytestsathospitaladmissioninsixpatientswithHepaticabscess.

Case Hb Leuc Gluc FA BD BI TGO TGP Urea Alb TP TPT1 9.1 16000 118 1015 6.3 14 120 69 22.0 2.8 20.5 23.42 10.2 23000 141 90 0.3 0.2 54 45 15.0 2.8 0.0 0.03 10.8 26000 210 0 14 14 136 0 0.0 0.0 13.0 31.04 13.2 15000 479 351 0.3 0.5 28 29 10.8 3.0 13.0 25.05 9.1 12000 189 242 0.4 0.2 14 10 3.8 2.1 15.0 32.26 10.5 14000 482 833 2.0 0.1 21 36 81.0 2.2 11.7 30.6

*Adaptedof:PangTC,etal.Pyogenicliverabscess:anauditof10years’experience.WorldJGastroenterol2011;7:1622-30.[26]

Table 1. Risk factors for developing Hepatic abscess and increased mortality.High risk of Hepatic abscess Increased mortalityDM

Hepaticcirrhosis

Immunocompromised

PPIsuse

Male

Cancer

DM

Hepaticcirrhosis

Male

Multipleorganfailure

Sepsis

Infectionwithmultipleorganisms

Hepaticabscessrupture

Abscess>5cm

Breathlessness

Hypotension

Jaundice

Extrahepaticdisorders

*Diabetesmellitus,livercirrhosisandmaleareriskfactorsandmortalityinpatientswithliverabscess.