Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item The long-term impact of postcholecystectomy major bile duct injury on liver stiffness(BioMed Central, 2024-11) Jayasekara, A.; Tillakaratne, S.B.; Dasanayake, U.; Gishanthan, S.; Siriwardana, R.C.INTRODUCTION Iatrogenic bile duct injuries (BDI) are a devastating complication. Long-term impact of corrective hepaticojejunostomy (HJ) for such injuries on post -surgery liver stiffness is lacking. Hence the aim of this study was to explore the extent of hepatic fibrosis in a cohort of patients with Strasberg E bile duct injuries who underwent HJ after a minimum follow-up of six months.METHODS Out of 50 BDI presented over a period of 10-years, 19 patients with Strasberg type E, injuries that underwent HJ and completed a minimum 6-month follow-up [65.5 (7 -108)] period were selected. Data were prospectively collected on liver functions and liver stiffness was assessed using a Fibroscan. Their liver stiffness and degree of fibrosis was compared with (n = 38) age, gender and comorbidity matched controls.RESULTS The median age was 47 (30-70) years, with 63% females. Primary HJ was performed in 84%, with a median time from injury to HJ of 7 (1-39) days. The total bilirubin was 16.5 (11.2) µmol/L, Alkaline Phosphatase was 102 (27.2) U/L, and Platelet count was 256 (77) x 103. Liver stiffness (median 6.4 kPa) did not significantly differ from controls (5.3 kPa). Fibrosis assessment revealed comparable distribution of F0 to F3 fibrosis between the study and control groups (F0/F1: 68.4% vs. 84.4%, F2: 10.5% vs. 9.4%). However, all three patients with right hepatic artery injury (p = 0.003) and three of five patients with bile duct stricture had F3/F4 fibrosis.CONCLUSIONS Major BDI repair demonstrates comparable liver fibrosis in the absence of artery injury and anastomotic strictures. Measuring liver fibrosis could be valuable in the presence of arterial injuries or anastomotic strictures.Item Assessing reversibility of liver fibrosis in patients with transfusion-dependent beta thalassaemia following intensive chelation(Sri Lanka Medical Association, 2023) Padeniya, A.G.P.M.; Ediriweera, D.; Niriella, M.A.; de Silva, A.; Premawardhena, A.P.INTRODUCTION: Transfusion-related iron overload is a leading cause of hepatic fibrosis in transfusion-dependent thalassaemia (TDT). OBJECTIVES: This study aimed to evaluate the reversibility of liver fibrosis with intensive chelation therapy in TDT. METHODS: Forty-five patients were included. Serum ferritin, hepatic fibrosis & steatosis (assessed by Transient Elastography), and liver iron concentration/LIC (estimated by FerriScan) were recorded at recruitment and after 2 ½ years of intensive chelation. Compliance for iron chelators was monitored and recorded as good (gc), moderate compliance (mc), and poor (pc) compliance based on the number of days the iron chelators were used. RESULTS: 22/45 (49%) were males [mean age (SD)-19 (4.78) years]. There were 23 (51%), 12 (27%), and 10 (22%) patients with gc, mc, and pc with iron chelators, respectively. The LIC decreased in 36 (80%) patients. The median LIC reduction after 2 ½ years was as follows: gc group-13.5 to 5.1 mg Fe/g dw (P=0.0002); mc group-25.5 to 17.75 mg Fe/g dw (P=0.001). In the pc group, the LIC increased by 10.4 mg Fe/g dw (P =0.058). Liver fibrosis declined in 23 (51%) patients. The liver stiffness at recruitment and after 2 ½ years was 7.6 and 7.1 kPa (P=0.08) in the gc group. In both mc and pc groups, liver fibrosis increased on follow-up [significantly worsened in the pc group (P=0.04)]. CONCLUSION: The reduction of LIC in TDT was related to compliance with chelation therapy; substantial reductions were achieved in those with gc and mc. However, only those with gc managed to arrest the fibrosis progression.