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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
Summary of findings table ‐ Rifaximin vs non‐absorbable disaccharide
Serious adverse events ‐ total number of participants · prevention and treatment of hepatic encephalopathy in people with cirrhosis
Rifaximin for prevention and treatment of hepatic encephalopathy in people with cirrhosis (2023) · Cochrane
RR 0.97 [0.66, 1.4]8 studies · 681 participantsLow
ePTFE‐covered stents vs bare stents
All‐cause mortality · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.63 [0.43, 0.92]1 study · 258 participantsLow
ePTFE‐covered stents vs bare stents
Hepatic encephalopathy · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.93 [0.66, 1.3]3 studies · 269 participantsVery low
ePTFE‐covered stents vs bare stents
Kidney failure · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 7.59 [0.4, 143.92]1 study · 121 participantsVery low
ePTFE‐covered stents vs bare stents
Shunt dysfunctiona · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.5 [0.28, 0.92]3 studies · 269 participantsLow
ePTFE‐covered stents vs bare stents
Upper gastrointestinal bleeding · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.54 [0.35, 0.84]1 study · 258 participantsLow
ePTFE‐covered stents vs bare stents
Recurrence of ascites · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.42 [0.2, 0.87]1 study · 258 participantsLow
ePTFE‐covered stents vs bare stents
Hepatic encephalopathy · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 1.1 [0.76, 1.61]1 study · 258 participantsVery low
ePTFE‐covered stents vs bare stents
Shunt dysfunction · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.42 [0.28, 0.61]1 study · 258 participantsLow
ePTFE‐covered stents vs bare stents
All‐cause mortalitya · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.75 [0.48, 1.16]3 studies · 269 participantsVery low
ePTFE‐covered stents vs bare stents
Procedure‐related complications · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.53 [0.05, 5.57]1 study · 80 participantsVery low
ePTFE‐covered stents vs bare stents
Upper gastrointestinal bleeding · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.46 [0.15, 1.38]3 studies · 269 participantsVery low
ePTFE‐covered stents vs bare stents
Recurrence of ascites · transjugular intrahepatic portosystemic shunt in people with liver cirrhosis
Expanded polytetrafluoroethylene (ePTFE)‐covered stents versus bare stents for transjugular intrahepatic… (2023) · Cochrane
RR 0.3 [0.11, 0.85]3 studies · 269 participantsLow
Exercise vs control
All‐cause mortality at end of intervention (range 2–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
RR 3.14 [0.74, 13.37]2 studies · 155 participantsVery low
Exercise vs control
Serious adverse events, excluding mortality (range 2–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
no estimate extracted3 studies · 3 participantsUngraded
Exercise vs control
Health‐related quality of life (SF‐36 Physical Functioning subscale) at end of administered interventions (range 6–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
no estimate extracted2 studies · 169 participantsVery low
Exercise vs control
Aerobic capacity (VO2peak) at end of administered interventions (range 2–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
no estimate extracted3 studies · 199 participantsVery low
Exercise vs control
Muscle strength at end of administered interventions (range 2–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
no estimate extracted3 studies · 199 participantsVery low
Exercise vs control
Non‐serious adverse events (range 2–10 months) · adults after liver transplantation
Exercise interventions for adults after liver transplantation (2023) · Cochrane
no estimate extracted3 studies · 3 participantsUngraded
Intervention NR
Outcomes  · adults with compensated or decompensated advanced chronic liver disease
Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality at maximum · adults with compensated or decompensated advanced chronic liver disease
Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane
RR 0.53 [0.38, 0.72]20 studies · 1419 participantsVery low
Intervention NR
Proportion of participants with 1 or more serious adverse events at maximum · adults with compensated or decompensated advanced chronic liver disease
Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane
RR 1.03 [0.66, 1.61]3 studies · 315 participantsVery low
Intervention NR
Health‐related quality of life ‐ PCS physical component summary ‐ MCS mental component summary at maximum · adults with compensated or decompensated advanced chronic liver disease
Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane
no estimate extracted2 studies · 165 participantsVery low
Intervention NR
Proportion of participants with liver disease‐related morbidity at maximum · adults with compensated or decompensated advanced chronic liver disease
Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane
RR 0.4 [0.17, 0.92]4 studies · 195 participantsVery low
Tenofovir‐based antiviral combination regimens vs placebo or tenofovir alone or non‐tenofovir‐based antiviral regimens
All‐cause infant mortality at longest · HIV‐positive pregnant women co‐infected with hepatitis B virus
Antivirals for prevention of hepatitis B virus mother‐to‐child transmission in human immunodeficiency virus… (2023) · Cochrane
RR 2.24 [0.72, 6.96]1 study · 132 participantsVery low
Tenofovir‐based antiviral combination regimens vs placebo or tenofovir alone or non‐tenofovir‐based antiviral regimens
Proportion of infants with serious adverse events ( · HIV‐positive pregnant women co‐infected with hepatitis B virus
Antivirals for prevention of hepatitis B virus mother‐to‐child transmission in human immunodeficiency virus… (2023) · Cochrane
RR 1.76 [1.27, 2.43]1 study · 132 participantsVery low
Tenofovir‐based antiviral combination regimens vs placebo or tenofovir alone or non‐tenofovir‐based antiviral regimens
Proportion of infants with HBV mother‐to‐child transmission · HIV‐positive pregnant women co‐infected with hepatitis B virus
Antivirals for prevention of hepatitis B virus mother‐to‐child transmission in human immunodeficiency virus… (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Tenofovir‐based antiviral combination regimens vs placebo or tenofovir alone or non‐tenofovir‐based antiviral regimens
All‐cause maternal mortality at the longest · HIV‐positive pregnant women co‐infected with hepatitis B virus
Antivirals for prevention of hepatitis B virus mother‐to‐child transmission in human immunodeficiency virus… (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Tenofovir‐based antiviral combination regimens vs placebo or tenofovir alone or non‐tenofovir‐based antiviral regimens
Proportion of mothers with serious adverse events ( · HIV‐positive pregnant women co‐infected with hepatitis B virus
Antivirals for prevention of hepatitis B virus mother‐to‐child transmission in human immunodeficiency virus… (2023) · Cochrane
RR 0.9 [0.62, 1.32]2 studies · 270 participantsVery low
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Overall participant survival · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
HR 0.91 [0.42, 1.98]4 studies · 482 participantsLow
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Overall participant survival · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
HR 1.08 [0.31, 3.8]1 study · 222 participantsVery low
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Quality of life ‐ not measured · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
no estimate extractedNRNo studies
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Serious adverse events (SAEs) · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
no estimate extracted2 studies · 522 participantsUngraded
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Graft survival · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
HR 1.2 [0.44, 3.29]2 studies · 522 participantsLow
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Ischaemic biliary complications (on protocol imaging) · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.78 [0.27, 2.27]1 study · 155 participantsVery low
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Early allograft dysfunction · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.4 [0.22, 0.74]3 studies · 540 participantsModerate
Normothermic machine perfusion (NMP) vs static cold storage (SCS)
Adverse events considered non‐serious · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.92 [0.54, 1.57]1 study · 222 participantsModerate
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Quality of life ‐ not measured · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
no estimate extractedNRNo studies
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Serious adverse events · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.91 [0.42, 1.98]2 studies · 156 participantsModerate
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Graft survival · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
HR 0.45 [0.23, 0.87]4 studies · 482 participantsHigh
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Ischaemic biliary complications total · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.32 [0.12, 0.83]2 studies · 326 participantsHigh
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Ischaemic biliary complications (donated following brain death (DBD)) · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.33 [0.03, 3.19]1 study · 170 participantsUngraded
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Ischaemic biliary complications (donated following circulatory death (DCD)) · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.31 [0.11, 0.92]1 study · 156 participantsUngraded
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Early allograft dysfunction total · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
OR 0.35 [0.23, 0.53]4 studies · 482 participantsHigh
Hypothermic oxygenated perfusion (HOPE) vs static cold storage (SCS)
Adverse events considered non‐serious · liver transplant recipients
Machine perfusion in liver transplantation (2023) · Cochrane
no estimate extracted3 studies · 312 participantsUngraded
Intervention NR
CEUS · adults with chronic liver disease
Contrast‐enhanced ultrasound for the diagnosis of hepatocellular carcinoma in adults with chronic liver… (2022) · Cochrane
no estimate extracted23 studies · 6546 participantsVery low
Intervention NR
CEUS · adults with chronic liver disease
Contrast‐enhanced ultrasound for the diagnosis of hepatocellular carcinoma in adults with chronic liver… (2022) · Cochrane
no estimate extracted13 studies · 1257 participantsLow
Intervention NR
MRI · adults with chronic liver disease
Magnetic resonance imaging for the diagnosis of hepatocellular carcinoma in adults with chronic liver disease (2022) · Cochrane
no estimate extracted34 studies · 4841 participantsLow
Intervention NR
MRI · adults with chronic liver disease
Magnetic resonance imaging for the diagnosis of hepatocellular carcinoma in adults with chronic liver disease (2022) · Cochrane
no estimate extracted16 studies · 2150 participantsLow
Summary of findings table ‐ Intraperitoneal local anaesthetic vs control
Mortality · patients undergoing laparoscopic cholecystectomy
Intraperitoneal local anaesthetic instillation versus no intraperitoneal local anaesthetic instillation for… (2021) · Cochrane
no estimate extracted8 studies · 446 participantsVery low