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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,521 questions in 132 reviews · Hepato-Biliary

current versions
No studies 303 · 19.9%Ungraded 39 · 2.6%Very low 876 · 57.6%Low 216 · 14.2%Moderate 65 · 4.3%High 22 · 1.4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Cysteamine vs methionine (randomised trials)
Mortality · people with paracetamol (acetaminophen) overdose
Interventions for paracetamol (acetaminophen) overdose (2018) · Cochrane
no estimate extracted1 study · 27 participantsVery low
Cysteamine vs methionine (randomised trials)
Hepatotoxicity (aspartate aminotransferase > 1000 U/L) · people with paracetamol (acetaminophen) overdose
Interventions for paracetamol (acetaminophen) overdose (2018) · Cochrane
OR 0.92 [0.05, 16.46]1 study · 27 participantsVery low
Standard intravenous acetylcysteine regimen (20.5 hour) vs shorter intravenous acetylcysteine regimen (12 hour)
Mortality · people with paracetamol (acetaminophen) overdose
Interventions for paracetamol (acetaminophen) overdose (2018) · Cochrane
no estimate extracted1 study · 222 participantsVery low
Glucocorticosteroid avoidance or withdrawal vs glucocorticosteroid‐based immunosuppression
Outcomes** · liver transplanted patients
Glucocorticosteroid‐free versus glucocorticosteroid‐containing immunosuppression for liver transplanted… (2018) · Cochrane
no estimate extractedNRNo studies
Glucocorticosteroid avoidance or withdrawal vs glucocorticosteroid‐based immunosuppression
All‐cause mortality · liver transplanted patients
Glucocorticosteroid‐free versus glucocorticosteroid‐containing immunosuppression for liver transplanted… (2018) · Cochrane
RR 1.15 [0.93, 1.44]15 studies · 1323 participantsLow
Glucocorticosteroid avoidance or withdrawal vs glucocorticosteroid‐based immunosuppression
Graft loss including death · liver transplanted patients
Glucocorticosteroid‐free versus glucocorticosteroid‐containing immunosuppression for liver transplanted… (2018) · Cochrane
RR 1.15 [0.9, 1.46]11 studies · 1002 participantsLow
Glucocorticosteroid avoidance or withdrawal vs glucocorticosteroid‐based immunosuppression
Acute rejection · liver transplanted patients
Glucocorticosteroid‐free versus glucocorticosteroid‐containing immunosuppression for liver transplanted… (2018) · Cochrane
RR 1.33 [1.08, 1.64]16 studies · 1347 participantsLow
Glucocorticosteroid avoidance or withdrawal vs glucocorticosteroid‐based immunosuppression
Infection · liver transplanted patients
Glucocorticosteroid‐free versus glucocorticosteroid‐containing immunosuppression for liver transplanted… (2018) · Cochrane
RR 0.88 [0.73, 1.05]8 studies · 778 participantsVery low
Intervention NR
All‐cause mortality six months after Kasai portoenterostomy · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRLow
Intervention NR
Serious adverse event, two years · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRLow
Intervention NR
Health‐related quality of life · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Infants who did not clear jaundice at six months · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRLow
Intervention NR
All‐cause mortality or liver transplantation at two years · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRLow
Intervention NR
Subgroup analysis of infants operated on at less than 70 days of age who did not clear their jaundice by six months after Kasai portoenterostomy · infants with biliary atresia
Glucocorticosteroids for infants with biliary atresia following Kasai portoenterostomy (2018) · Cochrane
no estimate extractedNRLow
Intervention NR
Overall mortality (30‐day postoperative; procedure‐ and non‐procedure related) · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
no estimate extracted5 studies · 516 participantsLow
Intervention NR
Overall morbidity (30‐day postoperative; procedure‐ and non‐procedure related) · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
RR 0.59 [0.29, 1.2]4 studies · 433 participantsLow
Intervention NR
Failure of primary clearance · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
RR 0.55 [0.22, 1.38]5 studies · 516 participantsVery low
Intervention NR
Clinical postoperative pancreatitis · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
RR 0.31 [0.09, 1.14]5 studies · 516 participantsLow
Intervention NR
Operative time · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
MD 34.07 [11.41, 56.74]3 studies · 313 participantsVery low
Intervention NR
Length of hospital stay · patients with stones in the gallbladder and common bile duct undergoing laparoscopic cholecystectomy
Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing… (2018) · Cochrane
no estimate extracted5 studies · 515 participantsLow
Carvedilol vs traditional, non‐selective beta‐blockers
Mortality · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
RR 0.86 [0.48, 1.53]7 studies · 507 participantsLow
Carvedilol vs traditional, non‐selective beta‐blockers
Upper gastrointestinal bleeding · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
RR 0.77 [0.43, 1.37]10 studies · 810 participantsVery low
Carvedilol vs traditional, non‐selective beta‐blockers
Serious adverse events · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
RR 0.97 [0.67, 1.42]10 studies · 810 participantsLow
Carvedilol vs traditional, non‐selective beta‐blockers
Non‐serious adverse events · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
RR 0.55 [0.23, 1.29]6 studies · 596 participantsVery low
Carvedilol vs traditional, non‐selective beta‐blockers
Hepatic venous pressure gradient at end of treatment (mmHg) · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
no estimate extracted6 studies · 368 participantsLow
Carvedilol vs traditional, non‐selective beta‐blockers
Reduction in hepatic venous pressure gradient (%) · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
no estimate extracted6 studies · 368 participantsLow
Carvedilol vs traditional, non‐selective beta‐blockers
Haemodynamic treatment failure · adults with cirrhosis and gastroesophageal varices
Carvedilol versus traditional, non‐selective beta‐blockers for adults with cirrhosis and gastroesophageal… (2018) · Cochrane
RR 0.76 [0.57, 1.02]6 studies · 368 participantsVery low
Intervention vs no intervention or control intervention (control)
Serious adverse events (proportion) ‐ pegylated interferon‐alpha plus ribavirin versus pegylated interferon‐alpha · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 1.72 [0.7, 4.21]2 studies · 237 participantsVery low
Intervention vs no intervention or control intervention (control)
Hepatocellular carcinoma · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
no estimate extractedNRNo studies
Intervention vs no intervention or control intervention (control)
Chronic HCV infection†‐ interferon‐alpha versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 0.27 [0.09, 0.76]3 studies · 99 participantsVery low
Intervention vs no intervention or control intervention (control)
Chronic HCV infection†‐ interferon‐beta versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 0.07 [0, 1.24]3 studies · 90 participantsVery low
Intervention vs no intervention or control intervention (control)
Chronic HCV infection†‐ MTH‐68/B vaccine versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 0.28 [0.05, 1.65]1 study · 41 participantsVery low
Intervention vs no intervention or control intervention (control)
Chronic HCV infection†‐ pegylated interferon‐alpha plus ribavirin versus pegylated interferon‐alpha · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 0.86 [0.41, 1.79]2 studies · 237 participantsVery low
Intervention vs no intervention or control intervention (control)
Serious adverse events (number) ‐ pegylated interferon‐alpha plus ribavirin versus pegylated interferon‐alpha · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
Rate ratio 2.74 [1.4, 5.33]2 studies · 237 participantsVery low
Intervention vs no intervention or control intervention (control)
Adverse events (proportion) ‐ interferon‐alpha versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 203 [9.01, 4574.81]1 study · 33 participantsVery low
Intervention vs no intervention or control intervention (control)
Adverse events (proportion) ‐ interferon‐beta versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 27.88 [1.48, 526.12]1 study · 40 participantsVery low
Intervention vs no intervention or control intervention (control)
Adverse events (number) ‐ interferon‐beta versus no intervention · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
OR 17 [0.98, 294.53]1 study · 40 participantsVery low
Intervention vs no intervention or control intervention (control)
Health‐related quality of life · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
no estimate extractedNRNo studies
Intervention vs no intervention or control intervention (control)
Liver transplantation · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
no estimate extractedNRNo studies
Intervention vs no intervention or control intervention (control)
Decompensated liver disease · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
no estimate extractedNRNo studies
Intervention vs no intervention or control intervention (control)
Cirrhosis · people with acute hepatitis C infection
Pharmacological interventions for acute hepatitis C infection (2018) · Cochrane
no estimate extractedNRNo studies
Surgical portosystemic shunts vs devascularisation with splenectomy
All‐cause mortality · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 2.35 [0.55, 9.92]2 studies · 154 participantsVery low
Surgical portosystemic shunts vs devascularisation with splenectomy
Serious adverse events · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 2.26 [0.44, 11.7]2 studies · 154 participantsVery low
Surgical portosystemic shunts vs devascularisation with splenectomy
Quality of life · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
no estimate extracted2 studies · 154 participantsUngraded
Surgical portosystemic shunts vs devascularisation with splenectomy
Variceal rebleeding rate · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 0.39 [0.13, 1.23]2 studies · 154 participantsVery low
Surgical portosystemic shunts vs devascularisation with splenectomy
Encephalopathy · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 7.51 [1.45, 38.89]2 studies · 154 participantsVery low
Surgical portosystemic shunts vs devascularisation with splenectomy
Ascites · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 0.11 [0.01, 1.98]1 study · 60 participantsVery low
Surgical portosystemic shunts vs devascularisation with splenectomy
Any re‐intervention · people with hepatosplenic schistosomiasis
Surgical portosystemic shunts versus devascularisation procedures for prevention of variceal rebleeding in… (2018) · Cochrane
RR 3 [0.13, 70.83]1 study · 60 participantsVery low
Gemcitabine plus vandetanib vs vandetanib
All‐cause mortality at 1 year · people with advanced biliary tract carcinomas
Gemcitabine‐based chemotherapy for advanced biliary tract carcinomas (2018) · Cochrane
no estimate extractedNRNo studies
Gemcitabine vs vandetanib
Overall response rate · people with advanced biliary tract carcinomas
Gemcitabine‐based chemotherapy for advanced biliary tract carcinomas (2018) · Cochrane
RR 3.77 [0.82, 17.33]1 study · 108 participantsVery low