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PubMed1989

Lithocholate in liver tissue with obstructive jaundice.

The existence of tissue-bound lithocholate in liver tissue was first suggested by Nair et al. (Lipids 1988;12:922-929). Since lithocholate is well known to be cholestatic, we investigated whether tissue-bound lithocholate, if present, can be correlated to liver dysfunction in obstructive jaundice. Tissue-bound lithocholate in liver tissues of 7 patients with obstructive jaundice was analyzed using gas chromatography-mass spectrometry-selected ion monitoring. We found no accumulation of lithocholate, including tissue-bound form, indicating that the role of lithocholate in inducing hepatic dysfunction in obstructive jaundice is minimal, if any.

Cholestasis↗
PubMedDate not supplied

Renal effects of experimental obstructive jaundice: morphological and functional assessment.

BACKGROUND: The pathophysiology of renal impairments occurring in obstructive jaundice has been extensively studied, but the underlying mechanism of these derangements remains unclear. The aim of the present study was to investigate the time-related morphological and functional changes occurring in the kidneys of rats undergoing obstructive jaundice. METHODS: Histological examination, renal function assessment and determination of (Na + K)-ATPase activity were performed in the kidneys of rats 7, 14, and 21 days following bile duct ligation (BDL) or sham operation (sham). RESULTS: Glomerular filtration rate was unaffected by BDL throughout the period of the study. Tubular effects occurred at days 7 and 14, being more marked at day 7, and consisted of an increase of about twice in the fractional excretion of sodium and chloride, paralleled by a decreased proximal and distal tubular reabsorption of sodium of about 50 and 40%, respectively. Natriuresis was consistent with augmentation of osmolar clearance but it was not associated with changes in the activity of renal (Na+ + K+)-ATPase. The ability to dilute urine was impaired at days 14 and 21 after BDL. Additionally, these effects were accompanied by decreased tubulointerstitial fibrosis and vasodilation of inner medullary capillaries. At day 21, the parameters of tubular function in BDL and sham groups were not significantly different. CONCLUSIONS: These data support the view that raised natriuresis taking place in the initial 2 weeks following BDL is due mainly to tubular effects. The contribution of hemodynamic, paracrine and humoral mediators is discussed.

Animals↗
PubMed2006

Obstructive jaundice due to a textiloma mimicking a common bile duct stone.

A foreign body is a rare cause of obstructive jaundice. We report a 19-year-old woman with jaundice caused by a surgical gauze in the common bile duct (CBD). Four yours earlier, she had undergone a cholecystectomy and drainage for hydatid disease of the liver. Her postoperative course was complicated by a biliary fistula that healed after 50 days. She now presented with obstructive jaundice of 2 weeks' duration. Magnetic resonance cholangiopancreatography (MRCP) showed a signal-void mass, consistent with a CBD stone. Surgical exploration of the CBD revealed a surgical gauze as the cause of the obstruction. To the best of our knowledge, this is the first case of a surgical gauze obstructing the CBD requiring surgical removal.

Adult↗
PubMed1999

Obstructive jaundice caused by tumor emboli from hepatocellular carcinoma.

Hepatocellular carcinoma (HCC) presenting as obstructive jaundice due to intrabile duct tumor growth is being reported with increasing frequency. We describe our clinical experiences and evaluate the results of different operative procedures for this disease. A retrospective study was undertaken to review 18 patients with obstructive jaundice by tumor emboli from HCC during a 15-year period of time. We reviewed clinical features, types of operative procedures, operative findings, and survival in the patients. All patients on initial examination had recurrent episodic jaundice or cholangitis. Types of surgical procedures were choledochotomy with T-tube drainage alone in nine patients, choledochotomy with T-tube drainage followed by hepatectomy in six, and T-tube drainage followed by transcatheter hepatic arterial chemoembolization in the remaining three patients. Liver cirrhosis was the associated disease in 15 (83.3%). There were three postoperative deaths (16.7%). The mean survival time for nine patients with external drainage alone was 4.5 months. For the three patients with T-tube drainage and transcatheter hepatic arterial chemoembolization, mean survival time was 11 months. Six patients who had undergone hepatectomy had a better postoperative survival time, with 1 surviving for more than 3 years and another alive for 70 months, without evidence of recurrence at the moment. Jaundice is not necessarily a harbinger of advanced disease and a contraindication for surgery. Managed properly, these patients will have satisfactory palliation and occasional cure.

Adult↗
PubMed1986

Influence of obstructive jaundice on pancreatic growth and on basal plasma levels of cholecystokinin and gastrin in rats.

Obstructive jaundice was produced in rats by ligation and transection of bile duct outside the liver; the control group underwent laparotomy alone. Pancreatic wet weight, amylase, lipase, protein, DNA, RNA, RNA/DNA ratio, and weight/100 micrograms DNA were significantly increased in jaundiced rats when compared to control rats. Histologic evaluation of pancreatic tissue obtained from jaundiced rats revealed the appearance of large or multiple nuclei in pancreatic acinar cells. Basal plasma levels of immunoreactive CCK were significantly increased in jaundiced rats at two weeks and four weeks but, when compared to the levels obtained in laparotomized controls at those time intervals, CCK levels were not significantly different. In jaundiced rats, plasma immunoreactive gastrin was found to be significantly decreased at two and four weeks. Plasma gastrin levels were also found significantly decreased when the jaundiced group was compared with laparotomized control group. The results suggest that obstructive jaundice induced enlargement of the pancreas, probably due to hyperplasia and hypertrophy of pancreatic cells. Whether or not this phenomenon is related to changes in gastrin and CCK is not known.

Amylases↗
PubMed2003

Papillomatosis confined to the distal biliary tract--a rare cause of obstructive jaundice: report of a case.

Based on the findings of a patient with recurrent obstructive jaundice due to papillomatosis of the distal bile duct, we herein describe the diagnostic difficulties and therapeutic options in this very rare disease. Endoscopic retrograde cholangiopancreatography and, in particular, cholangioscopy are the imaging procedures of choice if biliary papillomatosis is suspected. Due to the tendency of such patients to demonstrate malignant transformation and develop biliary cirrhosis with septic complications, an early and radical surgical resection is recommended in rare cases of localized papillomatosis. This approach may offer the only chance of a cure although the potential risk of multifocal recurrence cannot be ruled out. When considering a radical resection, intraoperative cholangioscopy is strongly recommended to confirm any localized papillomatosis and rule out any diffuse papillomatosis of the entire biliary tract.

Adenoma↗
PubMed2004

Are bile acids involved in the renal dysfunction of obstructive jaundice? An experimental study in bile duct ligated rats.

BACKGROUND: Surgery on patients with obstructive jaundice is associated with a significant risk of postoperative renal failure. Bile acids are implicated as nephrotoxins because they accumulate in the plasma and the kidney becomes their only excretory route in cholestasis. The experimental evidence favoring this proposal is inadequate and unconvincing. Therefore, we designed an animal experiment involving bile duct ligated (BDL) rats in which we could correlate variations in serum and urine bile acids with indices of nephrotoxicity and renal function. HYPOTHESIS: Bile acids are putative nephrotoxins. MATERIALS AND METHODS: Total serum and urine bile acid concentrations and profiles were determined using liquid chromatography/gas chromatography/mass spectrometry selected ion monitoring. Nephrotoxicity was assessed by renal histopathology and by determination of the urinary activities of the following enzymes: muramidase, glutamate dehydrogenase, alkaline phosphatase, N-acetyl-beta-D-glucosaminidase, and lactate dehydrogenase. Renal function was assessed by measuring urine osmolality, daily osmolar excretion, sodium excretion (U(Na)V), potassium excretion (U(K)V), and total protein and albumin excretion. RESULTS: Maximum plasma concentrations and renal clearance of bile acids occurred between the third or fourth postoperative day following BDL. This peak coincided with maximal disruption of proximal convoluted tubule architecture and postoperative changes in renal function-increased urine flow rate and decreases in urine osmolality and sodium excretion. Thereafter, 1) plasma levels of bile acids returned toward normal levels, 2) urinary bile acid clearance declined, 3) normal renal histology was restored, and 4) normal renal function was reestablished. Throughout this period, fluctuations in enzymuria were evident. However, these shifts did not coincide with plasma and urine bile acid concentrations and histological and functional changes. DISCUSSION AND CONCLUSIONS: Transient functional impairment of renal cation and water transport and nonspecific morphological changes in the proximal convoluted tubule occur 3 to 4 days following bile duct ligation in rats. These functional and morphological changes occurred when plasma total and urinary bile acids were at their peaks. Although it is tempting to equate association with causality, we cannot implicate bile acids as being responsible for the aberrations in renal function and structure following BDL. Accordingly, we have concluded that elevated plasma concentrations of bile acids are renal exacerbates acting in concert with other factors, be they prerenal or renal in origin to precipitate a cascade of events leading to postoperative renal failure in cholestasis.

Animals↗
PubMed2003

Endoscopic treatment in a patient with obstructive jaundice caused by pancreatic pseudocyst.

We report a case of chronic alcoholic pancreatitis with obstructive jaundice due to compression of the common bile duct by pancreatic pseudocyst. Ultrasonography and computed tomographic scan on admission demonstrated an 8 cm cystic lesion located at the head of the pancreas. Endoscopic retrograde cholangiopancreatography (ERCP) revealed a segment of narrowing at the distal common bile duct which was compressed by the pancreatic pseudocyst. Communication between the cyst and pancreatic duct was also noted. Bacteriological examination of cystic contents yielded the growth of Proteus vulgaris, Morganella morganii, Stenotrophomonas maltophilia and Pseudomonas aeruginosa. The patient was treated with broad-spectrum antibiotic, endoscopic sphincterotomy, endoscopic nasopancreatic duct drainage, and transpapillary pancreatic endoprosthesis. Jaundice subsided gradually during admission and a marked reduction of pancreatic pseudocyst was found 18 months after discharge.

Adult↗
PubMed2002

Antibiotic prophylaxis prior to endoscopic retrograde cholangiopancreatography in patients with obstructive jaundice: is it worth the cost?

BACKGROUND: There are few published data concerning the economic impact of antibiotic prophylaxis prior to endoscopic retrograde cholangiopancreatography in the setting of biliary obstruction. AIM: To perform decision analysis to determine the costs of prophylaxis in patients undergoing endoscopic retrograde cholangiopancreatography for obstructive jaundice. METHODS: A decision analysis model was constructed. The probability of biliary sepsis, death and endoscopic retrograde cholangiopancreatography complications was obtained from the medical literature and from a retrospective analysis of our own experience. Costs were obtained from Medicare reimbursement at our institution. The strategies evaluated were endoscopic retrograde cholangiopancreatography with and without single-dose antibiotic prophylaxis. We compared the total costs, number of episodes of cholangitis and deaths associated with each strategy. RESULTS: Based on published data and the results of our retrospective analysis, the strategy of administering single-dose prophylactic antibiotics prior to endoscopic retrograde cholangiopancreatography in patients with obstructive jaundice resulted in lower total costs, fewer episodes of cholangitis and fewer deaths compared to a strategy of not administering antibiotics. The results were sensitive to the rates of cholangitis, cost of antibiotics and the cost of treating an episode of cholangitis. CONCLUSIONS: Antibiotic prophylaxis prior to endoscopic retrograde cholangiopancreatography results in fewer cases of cholangitis and is cost saving when compared to a strategy of no prophylaxis in patients with obstructive jaundice.

Antibiotic Prophylaxis↗
PubMed1988

Therapeutic effect of plasma exchange with the biliary drainage in the treatment of obstructive jaundice.

The effect of therapeutic plasmapheresis combined with biliary drainage was evaluated in obstructive jaundice animal models. Plasma exchange (PE) using fresh-frozen plasma was carried out with biliary drainage (BD) on a canine jaundice model created by the ligation and resection of bile duct. Routine biochemical analyses were done following PE and BD. The result was compared with that of a BD only group. Plasma bilirubin level abruptly dropped after PE and was kept at a lower level, whereas the bilirubin level of the drainage alone group decreased gradually. Decreased plasma mitochondrial GOT level in the PE group suggests improvement of liver cell damage in obstructive jaundice. Mitochondrial function of liver tissue was evaluated following partial hepatectomy, which was carried out 2 days after PE along with BD in jaundice rat. Mitochondrial respiratory control ratio and ADP/O ratio following hepatectomy were improved in the PE group. The results suggest the improvement of hepatic functional reservoir by a single PE treatment in addition to BD treatment. These results show that PE can shorten the icteric period and may improve the hepatic functions after the treatment of malignant obstructive lesion in the biliary tract.

Animals↗
PubMed1987

Transcatheter arterial embolization in hepatoma complicated with obstructive jaundice.

Transcatheter arterial embolization was performed on a patient with hepatoma complicated by obstructive jaundice after the patient's condition had been improved by percutaneous biliary drainage. As a result of the embolization, a reduction in size was observed in both the main tumor and the tumor that had invaded the common bile duct. Even after removing the biliary drainage tube, there was no recurrence of obstructive jaundice for 6 months.

Carcinoma, Hepatocellular↗
PubMed1992

Body water compartments in patients with obstructive jaundice.

To elucidate the pathogenesis of renal dysfunction associated with obstructive jaundice, body water compartments were measured using a multi-isotope dilution technique in ten patients with biliary tract obstruction and in ten control subjects matched for age, sex, weight, height and body surface area. Expressed as a fraction of body-weight, total body water was reduced in jaundiced patients (41.8 versus 46.2 per cent, P less than 0.02). Extracellular water volume was also reduced in patients with jaundice (20.3 versus 24.3 per cent, P less than 0.003) owing to a reduction of the interstitial space (16.1 versus 19.5 per cent, P less than 0.004) and, to a lesser degree, of the plasma volume (4.2 versus 4.8 per cent, P = 0.1). There was a close correlation in jaundiced patients between plasma volume and the creatinine clearance rate (r2 = 0.56, P less than 0.02) and between plasma volume and extracellular volume (r2 = 0.77, P less than 0.0001). Extracellular volume in such patients also correlated with the percentage weight loss (r2 = 0.42, P = 0.04). Obstructive jaundice is associated with a contracted extracellular water compartment, although extracellular water, as a percentage of body-weight, increased in proportion to the body-weight lost. Reduction of the interstitial volume and a marginally reduced plasma volume may be determinant factors in the pathogenesis of the renal and haemodynamic disturbances observed in patients with biliary tract obstruction.

Aged↗
PubMed1995

Pancreatic enlargement in obstructive jaundice. Effects of biliary stream diversion in humans.

To verify the influence of obstructive jaundice on pancreatic growth, the anteroposterior width of the pancreas was measured by computed tomography in 30 cholangiocarcinoma patients excluded patients with distal bile duct tumor (jaundice group) and 74 control subjects. Follow-up examinations were performed on 12 patients with and without internal biliary drainage to elucidate the temporal relationship between pancreatic enlargement and the diversion of the obstructed biliary stream. Histologic analysis on autopsy samples from 13 control and 10 jaundice cases also was performed. Mean pancreatic head and body widths in the jaundice group were 2.93 +/- 0.3 cm and 2.01 +/- 0.3 cm, respectively. These values were significantly greater than those of the controls (2.13 +/- 0.3 cm and 1.49 +/- 0.3 cm, P < 0.01). The glandular widths returned to their normal sizes following internal biliary drainage. No changes were seen in patients who underwent external drainage alone. Histologic examination revealed that enlargement of the acinar cells or of the islet of Langerhans was often seen in the jaundiced patients. Therefore obstructive jaundice is thought to cause pancreatic growth through a trophic effect by interrupting biliary circulation.

Aged↗
PubMed1981

Fibrosing pancreatitis--an obscure causes of painless obstructive jaundice: a case report and review of the literature.

We report a 3-year-old asymptomatic patient who had obstructive jaundice. Percutaneous transhepatic cholangiogram showed total obstruction of the distal common bile duct. At laparotomy, fibrosing pancreatitis was found. Sphincteroplasty and choledochoduodenostomy relieved his symptoms. A review of the literature disclosed ten patients, nine of whom had abdominal pain. Fibrosing pancreatitis should be considered in the differential diagnosis of obstructive jaundice in children, even in the absence of abdominal pain.

Adolescent↗
PubMed1984

Endotoxemia in human obstructive jaundice. Effect of polymyxin B.

A clinical trial was undertaken to study endotoxemia in 14 patients with obstructive jaundice given the antiendotoxin polymyxin B, 13 patients with obstructive jaundice who were not given the antiendotoxin , and 13 nonjaundiced control patients undergoing comparable surgery. Endotoxins were detected by the limulus assay. Endotoxemia did not occur in the nonjaundiced patients but was common before (68 percent), during (70 percent), and after (81 percent) surgery in the jaundice patients. Thirty-six percent of the jaundiced patients had postoperative oliguria. Endotoxemia before surgery was associated with death after surgery, all deaths occurring in patients who were endotoxemic before operation (p less than 0.05). Polymyxin B infusion had no effect on endotoxemia or outcome. Measurement of indicators of fibrinolysis, soluble fibrin, and fibrin degradation products showed no prognostic significance. We conclude that preoperative endotoxemia is an important predictor of outcome in patients who undergo surgery for jaundice.

Bilirubin↗
PubMedDate not supplied

Short and long-term effects of bacterial translocation due to obstructive jaundice on liver damage.

BACKGROUND/AIMS: The present study was conducted to determine if obstructive jaundice promotes bacterial translocation and to evaluate the changes in hepatic histopathology in patients with benign biliary obstruction. METHODOLOGY: Between January 1996 and January 1998, 19 patients treated for benign biliary obstruction were studied. Fourteen patients with symptomatic cholelithiasis were taken as the control group. Patient characteristics, preoperative and post-operative laboratory tests with an interval of 7 days were recorded. In all patients, bile and mesenteric lymph nodes samples were taken for bacterial growth and histopathologic changes were studied on the liver excised during surgery. RESULTS: In the control group, bacterial growth was observed in the bile and mesenteric lymph nodes cultures in one (7.1%) and two patients (14.3%), respectively. In the study group, 8 patients (42%) had positive bile cultures and 12 patients (63.2%) had positive mesenteric lymph nodes cultures, respectively. Histopathologic examination of the liver revealed significant increase in the rate of periductal and portal fibrosis in the jaundiced patients, compared with control group (p < 0.001). Postoperative complications in the study group were wound infection (3 cases), renal failure (2 cases), ARDS (1 cases) and intraabdominal abscess (1 cases). In the control group, one patient had wound infection and one had atelectasis. Two patients with jaundice died of multiple organ failure and respiratory failure. In long-term follow-up (mean 17 months), when sclerosing cholangitis and secondary biliary cirrhosis developed in one patient each in the study group, no long-term complication occurred in the control group. CONCLUSIONS: Our clinical results demonstrate that extrahepatic biliary obstruction promotes bacterial translocation and this process is an important cause of morbidity and mortality in patients with jaundice. Also, obstructive jaundice subsequently leads to significant functional and morphological damage in the liver.

Aged↗
PubMedDate not supplied

Percutaneous transhepatic duodenal drainage as an alternative approach in afferent loop obstruction with secondary obstructive jaundice in recurrent gastric cancer.

Two cases are reported of chronic, partial afferent loop obstruction with resultant obstructive jaundice in recurrent gastric cancer. The diagnosis was made by characteristic clinical presentations, abdominal computed tomography, and cholescintigraphy. Percutaneous transhepatic duodenal drainage (PTDD) provided effective palliation for both afferent loop obstruction and biliary stasis. We conclude that cholescintigraphy is of value in making the diagnosis of partial afferent loop obstruction and in differentiating the cause of obstructive jaundice in such patients, and PTDD provides palliation for those patients in whom surgical intervention is not feasible.

Adenocarcinoma↗
PubMed1989

[Diagnosis and surgical treatment of obstructive jaundice in benign diseases].

The article analyses the results of the diagnosis and surgical treatment of obstructive jaundice caused by benign diseases in 279 patients. Cholelithiasis was the cause of obstructive jaundice in 82.4% of patients; in 30.3% of cases the clinical symptomatology of the disease was atypical due to which the patients were at first placed erroneously in hospitals for infectious diseases. Endoscopic methods of examination proved to be most informative: the informativeness of ERP was 91%, that of combined laparoscopy--98.5%. Choledochoduodenostomy is the operation of choice in choledocholithiasis, and double drainage after O.B. Milonov--in combination of obstructive choledocholithiasis with papillostenosis.

Adult↗