A study on clinico-etiological profile of chronic liver disease in children between 1year to 14 years of age

Behera A.1, Murmu M.C.2

1Dr. Aarti Behera, Associate Professor, 2Dr Mangal Charan Murmu, Associate Professor, both authors are affiliated with Department of Paediatrics, S.C.B. Medical College Hospital, Cuttack, Odisha, India

Corresponding Author: Dr. Mangal Charan Murmu, Associate Professor, Department of Paediatrics, S.C.B. Medical College & Hospital, Cuttack, Odisha, India,Email: mangal74murmu@yahoo.co.in



Abstract

Introduction: Chronic liver diseases(CLD) account for 1 to 5% of paediatric ward admissions and upto 20% of ward mortality in our country. Now a day Indian childhood cirrhosis is a rarity, whereas diseases likechronic hepatitis, Wilsons disease and biliary atresia are diagnosed with increasing frequency and therefore became relatively important forms of paediatric liver disease. Methodology: The study was done to determine the clinico-etiological profile of chronic liver disease in children 1 year to 14 years. This is a prospective case-controlled study done over a period of two years. Various clinical, biochemical and radiographic parameters pertaining to chronic liver disease were studied. Results: About4 0 cases were studied. CLD was found to be prevalent in 5-10 years of age group. Male were more affected than female. Jaundice was the most common presenting feature.Hepatomegaly, Ascitis, Splenomegaly were thecommonest presenting signs. Conclusion: CLD is not uncommon condition in children. It constitutes 18.34% of the patients of the with liver disease in our region. Wilson’s disease was the most common aetiology apart from idiopathic which constitute 52.5% of the cause.

Keywords: Liver Diseases, Biliary Atresia, Non-alcoholic fatty liver disease (NAFLD), Children



Manuscript received: 30th December 2017, Reviewed: 9th January 2018
Author Corrected: 18th January 2018, Accepted for Publication: 24th January 2018

Introduction

Chronic liver disease refers to a wide spectrum of disorders characterizedby ongoing liver damage with a potential for progression to cirrhosis or end stage liver disease [1]. CLD implies long standing disease (usually more than 3 to 6 months), leading to various manifestations and complications of liver cell failure.Unlike in adults, long duration of the disease should not be considered as a mandatory aspect of definition of CLD in the children, as progressive irreversible changes can occur in the children, even with symptoms as short as one week [2]. There is emergence of relatively newer liver disorders in children like NAFLD (non-alcoholic fatty liver disease) that were rare in our subcontinent especially in children. There is therefore a continuing need for studies on various aspects of liver diseases in different communitiesand environments [3]. Acute and Chronicliver disease constitute the majority of liver disorders in children. The etiologic profile of CLD also shows geographical variation. Hepatitis virus is leading cause of CLDin South East Asia, Middle East and some of other Asian countries. It is predominantly due to high prevalence of hepatitis in general population in these countries. Some of the biliary disorders such as Biliary Artesia present as CLD in regions where diagnosis is delayed beyond twelve weeks. Such children often present with cirrhosis and portal hypertension. Likewise,in some regions of world where oriental cholangiohepatitis (OCH) is endemic can cause secondary biliary cirrhosis, portal hypertension in children if left untreated [4]. The profile of metabolic diseases producing chronic liver disease has not been well documented from developing countries because of lack of diagnostic facilitiesin these regions. Therefore,the metabolic diseases causing chronic liver disease do not figure well in the studies reported from these underdeveloped countries. The incidence of Indian childhood cirrhosishas come down [5]. The parasitic liver diseases such as hydatid cyst, schistosomiasis continue to form a part of liver disease in endemic states [6]. In recent yearsnon-alcoholic steatohepatitis (NASH) has been described as a commoncause of liver disease in children which is related to obesity, hyperinsulinemia, insulin resistance, and liver cell injury from free fatty acid toxicity or oxidant stress. Overall prevalence of fatty liver in children is 2.6-12.5%[7].

In this study the pattern of CLD in children attending our hospital were analysed as there is dearth of information on this.

Objectives

The aim of the study is to determine the etiological profile, clinical manifestations, different haematological & biochemical abnormalities and its complicationsof chronic liver disease in children aged 1 year to 14 years.

Material

This is a direct observation study. The study was conducted in the Department of Pediatrics, S C B Medical College and Hospital, Cuttack from October 2015 to September2017 both in outpatient department and indoor after getting Ethical committee clearance of the institution. The total cases included in our study was forty. Detailed history and clinical examination of all patients suffering from chronic liver disease was taken and haematology and liver function test were recorded. Other investigations like ultra sound, upper gastro-intestinal (G I)endoscopy, viral and auto immune markers, liver biopsy were done as and when indicated.

Inclusion Criteria: The children age between 1 year to 14 years with features of chronic liver disease which includes deranged liver functions test, enlarged or shrunken liver,splenomegaly, edema, ascitis, bleeding from varices and cutaneous features like spider angiomata /palmer erythema for more than 3 months.

Exclusion Criteria: It includes a). Children below 1year and over 14 years, b). Children with haemolytic anemia, c).children with neonatal hepatitis and extrahepatic biliary atresia, d). Children suffering from HIV infection.

All cases were recorded in prescribed proforma and were subjected to routine heamotological investigations and other ancillary investigations as and when required.

Methods

1.    SGOT (Serum Glutamic Oxaloacetic Transaminase)/ (AST-Aspartate Aminotransferase): It is measured in serum by the method of Reitman and Frankel.
2.    SGPT (Serum Glutamic Pyruvic Transaminase) (ALT - Alanine Aminotransferase): It is measured in serum by the method of Reitman and Frankel.
3.    Serum Alkaline Phosphatase: its measured by King, Abdul Fade and Walker Method
4.    Serum Bilirubin: It was done by Evelyn and Malloy Method.
5.    Serum Protein: It was done by Biuret Method.
6.    Serum Albumin: It was done by principles based on the work of Doumas, modified by Spencer and Price.
7.    Prothrombin Time: It was done by Quick on stage method
8.    Immunocombo HBsAg Test: it was done by 3rd generation Elisa Kit HBsAg one step.
9.    Micro Elisa HCV: Done byThird generation enzyme immune assay for determination of Antibodies to HCV.
10.  Liver Biopsy: Done by using Tru-Cut Needle done when indicated (with parental consent).
11.  Upper GI Endoscopy: Done by gastroenterologist for looking esophageal varices.
12.  Slit Lamp Examination: To look for Kayser-Fleischer Ring as an evidence of Wilson’sdisease.

The clinical, biochemical & etiological profile were noted and analysed statistically.

Observation

Table-1: Incidence of CLD in Patients with Liver Disease

Liver disease

Number of patients

Total

Percentage

1-5 years

6-10 years

11-14 years

Male

Female

Male

Female

Male

Female

Chronic liver disease

2

-

16

11

7

4

40

18.34

Non-CLD

5

4

71

45

38

15

178

82.56

Total

7

4

87

56

45

19

218

100


During the study period, 218 patients were diagnosed with liver diseases, out of which 40 patients (18.34%) were diagnosed with chronic liver disease and 178 (82.56%) were diagnosed with other forms of liver disorders. The most common age group is between 5-10 years, males were more affected than female.

Table-2: Clinical Symptoms

Clinical Feature

Number of Patients

Percentage

Fever

28

70

Jaundice

28

70

GI Bleeding

4

10

Altered Sensorium

2

5


Jaundice (70%) and fever (70%) were the most common presentation in our study.

Table-3: Physical Findings

Features

Number of Patients

Percentage

Pallor

34

85

Icterus

28

70

Hepatomegaly

28

70

Splenomegaly

19

47.5

Ascitis

26

65

Altered Sensorium

2

5

GI Bleeding

4

10


Pallor was present in 34 patients (85%). Icterus and Hepatomegalywere present in 28 patients each (70%). Ascites wasnotedin 26 patients (65%), splenomegaly was found in 19 patients (47.5%)

Table-4: Serum bilirubin (total) at presentation (N=40)

Serum Bilirubin in mg %

Number of patients

Percentage

<1

2

5

1-5

15

37.5

6-10

18

45

11-15

4

10

16-20

1

2.5


The above table shows 15 patients (42.5%) had serum bilirubin level between 1-5mg/dl, 18 patients (45%) had serum bilirubin between 6-10 mg/dl.

Table-5: Biochemical Parameters

Level in IU/L

SGPT

SGOT

Serum albumin

<100

19

14

12

100-400

20

25

23

>400

1

1

5


Nineteen (47.5%) patients had SGPT value between 40-100IU/L. About 20 Patients (50%) patients had SGPT between 100-400 IU/L. One Patient (2.5%) had SGPTvalue >400 IU/L. About 14 Patients (35%) patients had SGOTvalue< 100 IU/L at the time of presentation. About 25 patients (62.5%) had SGOT value between 100-400 IU/L and 1 patient (2.5%) had SGOT value > 400 IU/L.

Table-6: Upper GI Endoscopy finding (N=35)

Endoscopic Finding

Number of patients

Percentage

Absence ofvarices

21

60

GradeI varices

3

8.57

GradeII Varices

8

22.85

GradeIII Varices

2

5.7

GradeI VVarices

1

2.85


In 60 % of patients the endoscopic finding was normal, 22.85 patients show gradeII varices.

Table-7: Etiology of chronic liver disease

Etiology

Number of Patients

Percentage

Wilson’s disease

11

27.5

Budd–Chiari syndrome

2

5

Auto immune hepatitis

2

5

Drug induced

2

5

Hepatitis –C

1

2.5

Choledochal cysts

1

2.5

Cryptogenic

21

52.5

Total

40

100


Eleven patients (27.5%) had Wilson’sdisease. In 21 patients (52.5%) cause could not be established.

Table-8: Liver Biopsy Findings

Liver biopsy finding

No of patients

Percentage

Chronic hepatitis

17

73.9

Cirrhosis

6

26.08


Around 23 patients (62.5%) out of a total of 40 patients underwent liver biopsy. Around17 patients (73.9%) showed evidence of chronic active hepatitis and in 6 patients (26.08%) cirrhosis was seen in the liver biopsy specimens.

Discussion

A total of 218 patients with features of liver disease attending to our hospital were thoroughly evaluated, out of which 40 patients (18.34%) were diagnosed with chronic liver disease, these were included in our study. The most of the patients were between 5-10 years of age group. The mean age at presentation was 9.44±2.69 years. Our study is similar tothe result reported by Ganie et al [5], 2014. About 25 patients (62.5%) were males and 15patients(37.5%) were females.The males out numbered females by 1.67:1. The finding in our study is similar that in studies by Akinbami et al and Hanif et al[9] but contrary to study by Ganie et al[5].

Jaundice was found in 28 patients (70%) and fever in 28 patients (70%) were most common presentations in our study. The other features in our study were GI bleed in 4 patients (10%) and altered sensorium in 2 patients (5%). The finding in our study are similar to the study by Dangwal et al. In their study they found jaundice in 70%of the cases and fever in 67% of the cases.Pallor was present in 34 patients (85%) and was most common clinical features. The other features were hepatomegaly in 28 patients (70%) and icterus in 28 patients (70%). The other features were ascitis in 26 patients (65%), splenomegalyin 19 patients, GI Bleeding in 4 patients(10%). This finding is similar to study done by Hanif et al [9] in which they had reported pallor to be present in 95% of the cases.

The percentage of patients presenting with jaundice /icterus in our study is 70%, which correlates with the study conductedby Hanif et al [9] and Ira Shah et al[12] who found jaundice in 67% & 70% cases respectively.
Hepatomegaly was found in 70% of patients in our study which resembles the finding in the study by Ira Shah et al [12] and Hanif et al [9] who found hepatomegaly in 71%& 64% of the case respectively. This differs from the study by Ganie et al [5]where hepatomegaly was found in only 22% of cases.

Splenomegaly was found in 47.5% of our patients similar to the finding by Ira Shah et al [12] and Dangwal et al [10]but differs from the studyby Hanif et al [9] andGanie et al [5] who reported splenomegalyin 76%and 65% of the cases respectively.

In our study, 65% of the patients had Ascites. The finding resembles the study by Dangwal et al but differs from the study by Hanif et al who reported Ascites in 84% of the case in their study.

Altered sensorium was present in 2 patients (5%) in our study out of which one patient died during course of study due to associated sepsis.

Ten percentage of the patients presented with GI bleeding resembling the study by Ganie et al [5] but in a study by Hanif et al[9] GI Bleed was present in 46% of patients.

According to Leuschner U [13], Serum bilirubin is normal except in severe disease. In our study hyperbiliubinemia was seen in 95% of the patients. These finding correlates with the study by Hanif et al [9] in which hyperbilirubenimia was found in90% of the patients. Directhyperbilirubemia was seen in 37patients (92.5%).

About 50% patients had moderate elevation in the SGPT levels. The lowest SGPT value in the series was 43U /L and the highest value in the series was 406U/L.

Moderately increased SGOT levels was seen most commonly. It was seen in 25 patients (62.5%). The lowest SGOT value in this series was 40 U/L and the highestvalue was 412U/L.

Serum alkaline phosphatase was increased in 33 patients (72.5%). The highest value of Serum Alkaline phosphatase in our study was 2029 U/L.

In our study 25patients (62.5%)had moderate anemia. About 3 patients had hemoglobin less than 7 g/dl and 12 patients (30%) of the patients had hemoglobin more than 10 g/dl.

Prothrombin time is prolonged in 70% patients and normal in 30% of the patients. This finding is similar to the finding in the study by Hanif et al [9].

Upper GI endoscopy was done in 35 patients (87.5%) of the patients. Out of them 21 patients (60%) did not have any verices, whereas 14 patients (40%) had esophageal varices suggestive of presence of portal hypertension.

Seventeen patients (73.9%) who underwent liver biopsy had features of chronic hepatitis in their liver biopsy specimen whereas 6 patients (26.08%) had evidence of cirrhosis. This finding in our study is similar to that of Hanif et al [9].

The most common etiology was to be found was Wilson’s disease in 11 patients (27.5%) of patients .About2 patients (5%) were diagnosed was Budd-Chiari syndrome and another 2 patients (5%) were diagnosed with drug induced hepatitis. Chronic hepatitis C and Choledochal cyst was diagnosed in 1 Patient (2.5%)each. No etiology was found in 52.5% of the patients.

Wilson’s disease was diagnosed in 27.5% of the patients in our study. This finding resembles the findings of the study by Yachha et al [14] and Zhang et al [15]. This finding differs from the study by Hanif et al [9]in which 16% of the patients were diagnosed with Wilson’s disease. About 1 patient was diagnosed with Chronic hepatitis C. No patient was diagnosed with hepatitis Binfection. This finding is in contrast to the study by Yachha et al [14], Ganie et al [5], Hanif et al[9] where hepatitis B was diagnosed in 12%. 18% and 24% of the patients respectively.

In the present study autoimmune hepatitis was diagnosed in 5% of the patients. This finding is similar to the finding by Yachha et al [14] (4%), Rafeey et al [16](5.6%), Zhang et al [15](7%). Other authors showed a higher incidence like Hanifetal [9] (16%).

No etiology could be found in 52.5% of our patients. Similar finding were reported by Yachha et al [14], Rajeswariet al [17], Ganie et al [5]. This finding differs from the study by Hanif et al [9].

Conclusion

Chronic liver disease is not uncommon condition in children. It constitutes 18.34% of the patients with liver disease in our region. Wilson’s disease was the most common etiology as it was found in 27.5% of the patient. No case of hepatitis B infection was found during the course of the study and ChronicHepatitis C was diagnosed in 2.5%of the patients. No etiology could be found in 52.5% of the patient.

The high incidence of idiopathic chronic liver disease (Dar et al) [3] indicates further research needs to be done to find out other cause of liver disease. The low incidence of chronic liver disease due to ChronicHepatitisB, wasmost probably due to good immunization coverage, screening of blood products, usage of universal precautions.

Funding: Nil, Conflict of interest: None initiated
Permission from IRB: Yes

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How to cite this article?

Behera A, Murmu M.C. A study on clinico-etiological profile of chronic liver disease in children between 1year to 14 years of age. Int J Pediatr Res. 2018;5(1):31-36. doi:10.17511/ijpr.2018.1.7.