Examining the Evidence in Anesthesia Literature: A Critical Appraisal of Systematic Reviews

Empirical Evidence of Bias

1995 • 5,260 citations

Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement

1999 • 4,736 citations

Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?

1998 • 3,578 citations

Quantitative Synthesis in Systematic Reviews

1997 • 2,428 citations

A Comparison of Results of Meta-analyses of Randomized Control Trials and Recommendations of Clinical Experts

1992 • 1,451 citations

Human albumin administration in critically ill patients: systematic review of randomised controlled trials Why albumin may not work

1998 • 1,046 citations

Ultrasound guidance for placement of central venous catheters

1996 • 860 citations

The Comparative Effects of Postoperative Analgesic Therapies on Pulmonary Outcome

1998 • 828 citations

Users' Guides to the Medical Literature

1994 • 776 citations

Fluid resuscitation with colloid or crystalloid solutions in critically ill patients: a systematic review of randomised trials

1998 • 672 citations

Methodologic guidelines for systematic reviews of randomized control trials in health care from the potsdam consultation on meta-analysis

1995 • 581 citations

Crystalloids vs. colloids in fluid resuscitation

1999 • 577 citations

Postoperative Apnea in Former Preterm Infants after Inguinal Herniorrhaphy

1995 • 493 citations

Efficacy, Dose-Response, and Safety of Ondansetron in Prevention of Postoperative Nausea and Vomiting

1997 • 449 citations

Quantitative estimation of rare adverse events which follow a biological progression: a new model applied to chronic NSAID use

2000 • 403 citations

Postoperative patient-controlled analgesia: Meta-analyses of initial randomized control trials

1993 • 398 citations

The advantages of the LMA over the tracheal tube or facemask: a meta-analysis

1995 • 353 citations

Can Acupuncture have Specific Effects on Health? A Systematic Review of Acupuncture Antiemesis Trials

1996 • 345 citations

Effect of age on MAC in humans: a meta-analysis

1996 • 342 citations

Omitting nitrous oxide in general anaesthesia: meta-analysis of intraoperative awareness and postoperative emesis in randomized controlled trials

1996 • 339 citations

Postdural Puncture Headache and Spinal Needle Design

1994 • 329 citations

Routine preoperative testing: a systematic review of the evidence.

1997 • 329 citations

The incidence of aspiration associated with the laryngeal mask airway: A meta-analysis of published literature

1995 • 309 citations

Drugs to Minimize Perioperative Blood Loss in Cardiac Surgery

1997 • 300 citations

Propofol anaesthesia and postoperative nausea and vomiting: quantitative systematic review of randomized controlled studies.

1997 • 295 citations

Benefit of Heparin in Central Venous and Pulmonary Artery Catheters

1998 • 293 citations

Efficacy of hypertonic 7.5% saline and 6% dextran-70 in treating trauma: A meta-analysis of controlled clinical studies

1997 • 283 citations

A qualitative systematic review of incisional local anaesthesia for postoperative pain relief after abdominal operations

1998 • 269 citations

Preoperative Autologous Donation Decreases Allogeneic Transfusion but Increases Exposure to All Red Blood Cell Transfusion<subtitle>Results of a Meta-analysis</subtitle>

1998 • 263 citations

Systematic reviews and meta-analyses on treatment of asthma: critical evaluation

2000 • 262 citations

Pain Control after Thoracic Surgery

1994 • 260 citations

Crystalloid versus colloid fluid resuscitation: a meta-analysis of mortality.

1989 • 256 citations

Metaanalysis of prophylactic drug treatment in the prevention of postoperative bleeding

1994 • 248 citations

Association of Preoperative Risk Factors with Postoperative Acute Renal Failure

1994 • 243 citations

Analgesic efficacy of peripheral opioids (all except intra-articular): a qualitative systematic review of randomised controlled trials

1997 • 237 citations

Pain relief from intra-articular morphine after knee surgery: a qualitative systematic review

1997 • 235 citations

A Systematic Review of Lidocaine-Prilocaine Cream (EMLA) in the Treatment of Acute Pain in Neonates

1998 • 225 citations

Omission of Nitrous Oxide during Anesthesia Reduces the Incidence of Postoperative Nausea and Vomiting

1996 • 223 citations

The Use of Nonpharmacologic Techniques to Prevent Postoperative Nausea and Vomiting

1999 • 221 citations

Risk of spontaneous abortion in women occupationally exposed to anaesthetic gases: a meta-analysis.

1997 • 221 citations

Propofol and bradycardia: causation, frequency and severity

1997 • 219 citations

Meta-analyses to evaluate analgesic interventions: A systematic qualitative review of their methodology

1996 • 214 citations

Randomization is important in studies with pain outcomes: systematic review of transcutaneous electrical nerve stimulation in acute postoperative pain

1996 • 214 citations

Benefit of heparin in peripheral venous and arterial catheters: systematic review and meta-analysis of randomised controlled trials

1998 • 202 citations

Paracetamol with and without codeine in acute pain: a quantitative systematic review

1997 • 196 citations

Epidural abscess complicating epidural anesthesia and analgesia: An analysis of the literature

1998 • 190 citations

Omitting antagonism of neuromuscular block: effect on postoperative nausea and vomiting and risk of residual paralysis. A systematic review

1999 • 189 citations

A meta-analysis of nausea and vomiting following maintenance of anaesthesia with propofol or inhalational agents

1998 • 188 citations

A quantitative systematic review of ondansetron in treatment of established postoperative nausea and vomiting

1997 • 171 citations

Meta-analytic comparison of prophylactic antiemetic efficacy for postoperative nausea and vomiting: propofol anaesthesia vs omitting nitrous oxide vs total i.v. anaesthesia with propofol.

1997 • 170 citations

Comparing analgesic efficacy of non‐steroidal anti‐inflammatory drugs given by different routes in acute and chronic pain: A qualitative systematic review

1998 • 167 citations

Systematic review of factors affecting the ratios of morphine and its major metabolites

1998 • 167 citations

Anesthetic Techniques during Surgical Repair of Femoral Neck Fractures

1992 • 162 citations

Value of routine preoperative chest x-rays: a meta-analysis

1993 • 151 citations

Comparative Efficacy and Safety of Ondansetron, Droperidol, and Metoclopramide for Preventing Postoperative Nausea and Vomiting

1999 • 147 citations

Analgesic efficacy and safety of paracetamol-codeine combinations versus paracetamol alone: a systematic review

1996 • 140 citations

Transcutaneous electrical nerve stimulation in labour pain: a systematic review

1997 • 128 citations

Meta-analytic stimulus for changes in clinical trials

1993 • 119 citations

Prevention of vomiting after paediatric strabismus surgery: a systematic review using the numbers-needed-to-treat method

1995 • 119 citations

The Effect of Desmopressin on Reducing Blood Loss in Cardiac Surgery – A Meta-Analysis of Double-Blind, Placebo-Controlled Trials

1995 • 107 citations

Comparisons between Desflurane and Isoflurane or Propofol on Time to Following Commands and Time to Discharge

1995 • 105 citations

Relative Effectiveness of Four Preoperative Tests for Predicting Adverse Cardiac Outcomes After Vascular Surgery

1994 • 103 citations

Efficacy and Adverse Effects of Prophylactic Antiemetics During Patient-Controlled Analgesia Therapy

1999 • 103 citations

Neonatal outcome and mode of delivery after epidural analgesia for labour with ropivacaine and bupivacaine: a prospective meta-analysis

1998 • 103 citations

Relaxation techniques for acute pain management: a systematic review

1998 • 103 citations

Systematic overview of co-proxamol to assess analgesic effects of addition of dextropropoxyphene to paracetamol

1997 • 100 citations

NAUSEA AND VOMITING AFTER GYNAECOLOGICAL SURGERY: A META-ANALYSIS OF FACTORS AFFECTING THEIR INCIDENCE

1993 • 99 citations

Memory for Unconsciously Perceived Events: Evidence from Anesthetized Patients

1996 • 94 citations

Effect of epidural analgesia for labor on the cesarean delivery rate

1994 • 91 citations

Analgesic efficacy of paracetamol and its combination with codeine and caffeine in surgical pain-a meta-analysis

1996 • 84 citations

Predictive and Diagnostic Tests of Renal Failure

1994 • 82 citations

Epidural Analgesia in Labor: An Evaluation of Risks and Benefits

1996 • 81 citations

Twenty-Four of Twenty-Seven Studies Show a Greater Incidence of Emesis Associated with Nitrous Oxide than with Alternative Anesthetics

1996 • 78 citations

A review of recovery from sevoflurane anaesthesia: Comparisons with isoflurane and propofol includingmeta‐analysis

1999 • 77 citations

A review of prospectively controlled comparisons of epidural with non-epidural forms of pain relief during labour

1992 • 77 citations

Ondansetron in the Prophylaxis of Postoperative Vomiting: A Meta-analysis

1998 • 72 citations

Colloids versus crystalloids in fluid resuscitation: an analysis of randomized controlled trials.

1991 • 68 citations

Efficacy of hypertonic saline dextran (HSD) in patients with traumatic hypotension: meta‐analysis of individual patient data

1997 • 65 citations

Epidural fentanyl, adrenaline and clonidine as adjuvants to local anaesthetics for surgical analgesia: meta‐analyses of analgesia and side‐effects

1998 • 59 citations

Prevention of Succinylcholine Myalgias

1990 • 56 citations

Statistical Methods in Anesthesia Articles

1985 • 54 citations

Platelet-rich plasmapheresis in cardiac surgery: A meta-analysis of the effect on transfusion requirements

1998 • 50 citations

Meta-analysis of the efficacy of extradural clonidine to relieve postoperative pain: an impossible task

1998 • 45 citations

Single-dose dextropropoxyphene in post-operative pain: a quantitative systematic review

1998 • 37 citations

Pharmacological prophylaxis of bleeding in surgical patients treated with aspirin

1997 • 31 citations

Quality and retrieval of obstetrical anaesthesia randomized controlled trials

1997 • 28 citations

Pharmacodynamics of vecuronium in patients with and without renal failure: a meta-analysis

1993 • 18 citations

The literature of anaesthesia: What are we learning?

1988 • 13 citations

Research Synthesis of Controlled Studies Evaluating the Effect of Hypocapnia and Airway Protection on Cerebral Outcome

1997 • 11 citations

Regional Anesthesia Does Not Significantly Change Surgical Time Versus General Anesthesia—A Meta-Analysis of Randomized Studies

1998 • 8 citations