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Web exclusive white paper series on diagnostic test evaluation.

Helfand M.

Med Decis Making. 2009 Sep-Oct;29(5):634-5. No abstract available. PMID: 19910523 [PubMed - in process]Related articles

Systematic review of the literature on pain in patients with polytrauma including traumatic brain injury.

Dobscha SK, Clark ME, Morasco BJ, Freeman M, Campbell R, Helfand M.

Pain Med. 2009 Oct;10(7):1200-17.PMID: 19818031 [PubMed - in process]Related articles

Assessment and management of acute pain in adult medical inpatients: a systematic review.

Helfand M, Freeman M.

Pain Med. 2009 Oct;10(7):1183-99.PMID: 19818030 [PubMed - in process]Related articles

Emerging risk factors for coronary heart disease: a summary of systematic reviews conducted for the U.S. Preventive Services Task Force.

Helfand M, Buckley DI, Freeman M, Fu R, Rogers K, Fleming C, Humphrey LL.

Ann Intern Med. 2009 Oct 6;151(7):496-507. Review.PMID: 19805772 [PubMed - indexed for MEDLINE]Related articles

C-reactive protein as a risk factor for coronary heart disease: a systematic review and meta-analyses for the U.S. Preventive Services Task Force.

Buckley DI, Fu R, Freeman M, Rogers K, Helfand M.

Ann Intern Med. 2009 Oct 6;151(7):483-95. Review.PMID: 19805771 [PubMed - indexed for MEDLINE]Related articles

Comparing the USPSTF and GRADE approaches to recommendations.

Guyatt GH, Helfand M, Kunz R.

Ann Intern Med. 2009 Sep 1;151(5):363; author reply 363-4. No abstract available. PMID: 19721027 [PubMed - indexed for MEDLINE]Related articles

Principles for developing guidance: AHRQ and the effective health care program.

Helfand M, Balshem H.

J Clin Epidemiol. 2009 Aug 26. [Epub ahead of print]PMID: 19716268 [PubMed - as supplied by publisher]Related articles

Grading the strength of a body of evidence when comparing medical interventions-Agency for Healthcare Research and Quality and the Effective Health Care Program.

Owens DK, Lohr KN, Atkins D, Treadwell JR, Reston JT, Bass EB, Chang S, Helfand M.

J Clin Epidemiol. 2009 Jul 10. [Epub ahead of print]PMID: 19595577 [PubMed - as supplied by publisher]Related articles

Identifying, selecting, and refining topics for comparative effectiveness systematic reviews: AHRQ and the Effective Health Care program.

Whitlock EP, Lopez SA, Chang S, Helfand M, Eder M, Floyd N.

J Clin Epidemiol. 2009 Jun 18. [Epub ahead of print]PMID: 19540721 [PubMed - as supplied by publisher]Related articles

Grading quality of evidence and strength of recommendations in clinical practice guidelines: Part 2 of 3. The GRADE approach to grading quality of evidence about diagnostic tests and strategies.

Brozek JL, Akl EA, Jaeschke R, Lang DM, Bossuyt P, Glasziou P, Helfand M, Ueffing E, Alonso-Coello P, Meerpohl J, Phillips B, Horvath AR, Bousquet J, Guyatt GH, Schünemann HJ; GRADE Working Group.

Allergy. 2009 Aug;64(8):1109-16. Epub 2009 May 29. Review.PMID: 19489757 [PubMed - indexed for MEDLINE]Related articles

Homocysteine level and coronary heart disease incidence: a systematic review and meta-analysis.

Humphrey LL, Fu R, Rogers K, Freeman M, Helfand M.

Mayo Clin Proc. 2008 Nov;83(11):1203-12. Review.PMID: 18990318 [PubMed - indexed for MEDLINE]Related articlesFree article

Periodontal disease and coronary heart disease incidence: a systematic review and meta-analysis.

Humphrey LL, Fu R, Buckley DI, Freeman M, Helfand M.

J Gen Intern Med. 2008 Dec;23(12):2079-86. Epub 2008 Sep 20. Review.PMID: 18807098 [PubMed - indexed for MEDLINE]Related articles

Inhibition of OXA-1 beta-lactamase by penems.

Bethel CR, Distler AM, Ruszczycky MW, Carey MP, Carey PR, Hujer AM, Taracila M, Helfand MS, Thomson JM, Kalp M, Anderson VE, Leonard DA, Hujer KM, Abe T, Venkatesan AM, Mansour TS, Bonomo RA.

Antimicrob Agents Chemother. 2008 Sep;52(9):3135-43. Epub 2008 Jun 16.PMID: 18559643 [PubMed - indexed for MEDLINE]Related articlesFree article

Incorporating considerations of resources use into grading recommendations.

Guyatt GH, Oxman AD, Kunz R, Jaeschke R, Helfand M, Liberati A, Vist GE, Schünemann HJ; GRADE Working Group.

BMJ. 2008 May 24;336(7654):1170-3. Review. No abstract available. Erratum in: BMJ.2008 Jun 21;336(7658): doi:10.1136/bmj.a403. PMID: 18497416 [PubMed - indexed for MEDLINE]Related articles

Policy rounds: a new series and a call for papers.

Helfand M, Sanders GD.

Med Decis Making. 2008 Mar-Apr;28(2):169-71. No abstract available. PMID: 18367730 [PubMed - indexed for MEDLINE]Related articles

Shared decision making, decision aids, and risk communication.

Helfand M.

Med Decis Making. 2007 Sep-Oct;27(5):516-7. No abstract available. PMID: 17921449 [PubMed - indexed for MEDLINE]Related articles

Telemedicine for the medicare population: update.

Hersh WR, Hickam DH, Severance SM, Dana TL, Krages KP, Helfand M.

Evid Rep Technol Assess (Full Rep). 2006 Feb;(131):1-41. Review.PMID: 17900201 [PubMed - indexed for MEDLINE]Related articlesFree article

Sulbactam forms only minimal amounts of irreversible acrylate-enzyme with SHV-1 beta-lactamase.

Totir MA, Helfand MS, Carey MP, Sheri A, Buynak JD, Bonomo RA, Carey PR.

Biochemistry. 2007 Aug 7;46(31):8980-7. Epub 2007 Jul 13.PMID: 17630699 [PubMed - indexed for MEDLINE]Related articlesFree article

Raman crystallographic studies of the intermediates formed by Ser130Gly SHV, a beta-lactamase that confers resistance to clinical inhibitors.

Helfand MS, Taracila MA, Totir MA, Bonomo RA, Buynak JD, van den Akker F, Carey PR.

Biochemistry. 2007 Jul 24;46(29):8689-99. Epub 2007 Jun 27.PMID: 17595114 [PubMed - indexed for MEDLINE]Related articles

Cost-effectiveness of echocardiography to identify intracardiac thrombus among patients with first stroke or transient ischemic attack.

Meenan RT, Saha S, Chou R, Swarztrauber K, Pyle Krages K, O'Keeffe-Rosetti MC, McDonagh M, Chan BK, Hornbrook MC, Helfand M.

Med Decis Making. 2007 Mar-Apr;27(2):161-77.PMID: 17409366 [PubMed - indexed for MEDLINE]Related articles

Medical decision making and electronic publishing.

Helfand M, Saxton L.

Med Decis Making. 2007 Mar-Apr;27(2):98-100. No abstract available. PMID: 17409360 [PubMed - indexed for MEDLINE]Related articles

Structure and Raman spectrum of clavulanic acid in aqueous solution.

Miani A, Raugei S, Carloni P, Helfand MS.

J Phys Chem B. 2007 Mar 15;111(10):2621-30. Epub 2007 Feb 16.PMID: 17302447 [PubMed - indexed for MEDLINE]Related articles

Estimating risk of breast cancer in carriers of BRCA1 and BRCA2 mutations: a meta-analytic approach.

Fu R, Harris EL, Helfand M, Nelson HD.

Stat Med. 2007 Apr 15;26(8):1775-87.PMID: 17243094 [PubMed - indexed for MEDLINE]Related articles

Methodological shortcomings predicted lower harm estimates in one of two sets of studies of clinical interventions.

Chou R, Fu R, Carson S, Saha S, Helfand M.

J Clin Epidemiol. 2007 Jan;60(1):18-28. Epub 2006 Sep 7. Review.PMID: 17161750 [PubMed - indexed for MEDLINE]Related articles

Screening for elevated lead levels in childhood and pregnancy: an updated summary of evidence for the US Preventive Services Task Force.

Rischitelli G, Nygren P, Bougatsos C, Freeman M, Helfand M.

Pediatrics. 2006 Dec;118(6):e1867-95. Review.PMID: 17142507 [PubMed - indexed for MEDLINE]Related articlesFree article

Extended-spectrum beta-lactamases in multidrug-resistant Escherichia coli: changing the therapy for hospital-acquired and community-acquired infections.

Helfand MS, Bonomo RA.

Clin Infect Dis. 2006 Dec 1;43(11):1415-6. Epub 2006 Oct 25. No abstract available. PMID: 17083013 [PubMed - indexed for MEDLINE]Related articles

Rational design of a beta-lactamase inhibitor achieved via stabilization of the trans-enamine intermediate: 1.28 A crystal structure of wt SHV-1 complex with a penam sulfone.

Padayatti PS, Sheri A, Totir MA, Helfand MS, Carey MP, Anderson VE, Carey PR, Bethel CR, Bonomo RA, Buynak JD, van den Akker F.

J Am Chem Soc. 2006 Oct 11;128(40):13235-42.PMID: 17017804 [PubMed - indexed for MEDLINE]Related articlesFree article

Effect of the inhibitor-resistant M69V substitution on the structures and populations of trans-enamine beta-lactamase intermediates.

Totir MA, Padayatti PS, Helfand MS, Carey MP, Bonomo RA, Carey PR, van den Akker F.

Biochemistry. 2006 Oct 3;45(39):11895-904.PMID: 17002290 [PubMed - indexed for MEDLINE]Related articlesFree article

Diagnosis, access and outcomes: Update of a systematic review of telemedicine services.

Hersh WR, Hickam DH, Severance SM, Dana TL, Pyle Krages K, Helfand M.

J Telemed Telecare. 2006;12 Suppl 2:S3-31. Review.PMID: 16989671 [PubMed - indexed for MEDLINE]Related articles

Role of Asp104 in the SHV beta-lactamase.

Bethel CR, Hujer AM, Hujer KM, Thomson JM, Ruszczycky MW, Anderson VE, Pusztai-Carey M, Taracila M, Helfand MS, Bonomo RA.

Antimicrob Agents Chemother. 2006 Dec;50(12):4124-31. Epub 2006 Sep 18.PMID: 16982784 [PubMed - indexed for MEDLINE]Related articlesFree article

Screening for developmental dysplasia of the hip: a systematic literature review for the US Preventive Services Task Force.

Shipman SA, Helfand M, Moyer VA, Yawn BP.

Pediatrics. 2006 Mar;117(3):e557-76. Review.PMID: 16510634 [PubMed - indexed for MEDLINE]Related articlesFree article

Hyperbaric oxygen therapy for stroke: a systematic review of the evidence.

Carson S, McDonagh M, Russman B, Helfand M.

Clin Rehabil. 2005 Dec;19(8):819-33. Review.PMID: 16323381 [PubMed - indexed for MEDLINE]Related articles

Orally administered recombinant metallo-beta-lactamase preserves colonization resistance of piperacillin-tazobactam-treated mice.

Stiefel U, Harmoinen J, Koski P, Kääriäinen S, Wickstrand N, Lindevall K, Pultz NJ, Bonomo RA, Helfand MS, Donskey CJ.

Antimicrob Agents Chemother. 2005 Dec;49(12):5190-1. No abstract available. PMID: 16304203 [PubMed - indexed for MEDLINE]Related articlesFree article

Current challenges in antimicrobial chemotherapy: the impact of extended-spectrum beta-lactamases and metallo-beta-lactamases on the treatment of resistant Gram-negative pathogens.

Helfand MS, Bonomo RA.

Curr Opin Pharmacol. 2005 Oct;5(5):452-8. Review.PMID: 16084766 [PubMed - indexed for MEDLINE]Related articles

Incorporating information about cost-effectiveness into evidence-based decision-making: the evidence-based practice center (EPC) model.

Helfand M.

Med Care. 2005 Jul;43(7 Suppl):33-43. Review.PMID: 16056007 [PubMed - indexed for MEDLINE]Related articles

High resolution crystal structures of the trans-enamine intermediates formed by sulbactam and clavulanic acid and E166A SHV-1 {beta}-lactamase.

Padayatti PS, Helfand MS, Totir MA, Carey MP, Carey PR, Bonomo RA, van den Akker F.

J Biol Chem. 2005 Oct 14;280(41):34900-7. Epub 2005 Jul 29.PMID: 16055923 [PubMed - indexed for MEDLINE]Related articlesFree article

Clavulanic acid inactivation of SHV-1 and the inhibitor-resistant S130G SHV-1 beta-lactamase. Insights into the mechanism of inhibition.

Sulton D, Pagan-Rodriguez D, Zhou X, Liu Y, Hujer AM, Bethel CR, Helfand MS, Thomson JM, Anderson VE, Buynak JD, Ng LM, Bonomo RA.

J Biol Chem. 2005 Oct 21;280(42):35528-36. Epub 2005 Jun 29.PMID: 15987690 [PubMed - indexed for MEDLINE]Related articlesFree article

Identification of a new allelic variant of the Acinetobacter baumannii cephalosporinase, ADC-7 beta-lactamase: defining a unique family of class C enzymes.

Hujer KM, Hamza NS, Hujer AM, Perez F, Helfand MS, Bethel CR, Thomson JM, Anderson VE, Barlow M, Rice LB, Tenover FC, Bonomo RA.

Antimicrob Agents Chemother. 2005 Jul;49(7):2941-8.PMID: 15980372 [PubMed - indexed for MEDLINE]Related articlesFree article

Challenges in systematic reviews that assess treatment harms.

Chou R, Helfand M.

Ann Intern Med. 2005 Jun 21;142(12 Pt 2):1090-9. Review.PMID: 15968034 [PubMed - indexed for MEDLINE]Related articlesFree article

Challenges in systematic reviews that evaluate drug efficacy or effectiveness.

Santaguida PL, Helfand M, Raina P.

Ann Intern Med. 2005 Jun 21;142(12 Pt 2):1066-72. Review.PMID: 15968031 [PubMed - indexed for MEDLINE]Related articlesFree article

Economic comparison of diagnostic approaches for evaluating osteoporosis in older women.

Kraemer DF, Nelson HD, Bauer DC, Helfand M.

Osteoporos Int. 2006 Jan;17(1):68-76. Epub 2005 May 12.PMID: 15889313 [PubMed - indexed for MEDLINE]Related articles

Mechanisms by which anaerobic microbiota inhibit the establishment in mice of intestinal colonization by vancomycin-resistant Enterococcus.

Pultz NJ, Stiefel U, Subramanyan S, Helfand MS, Donskey CJ.

J Infect Dis. 2005 Mar 15;191(6):949-56. Epub 2005 Feb 11.PMID: 15717271 [PubMed - indexed for MEDLINE]Related articles

The evaluation of rectal bleeding in adults. A cost-effectiveness analysis comparing four diagnostic strategies.

Allen E, Nicolaidis C, Helfand M.

J Gen Intern Med. 2005 Jan;20(1):81-90.PMID: 15693933 [PubMed - indexed for MEDLINE]Related articlesFree article

A look back...and ahead.

Helfand M.

Med Decis Making. 2005 Jan-Feb;25(1):8-10. No abstract available. PMID: 15673577 [PubMed - indexed for MEDLINE]Related articles

Using evidence reports: progress and challenges in evidence-based decision making.

Helfand M.

Health Aff (Millwood). 2005 Jan-Feb;24(1):123-7.PMID: 15647222 [PubMed - indexed for MEDLINE]Related articles

Effect of parenteral antibiotic administration on establishment of intestinal colonization by Candida glabrata in adult mice.

Pultz NJ, Stiefel U, Ghannoum M, Helfand MS, Donskey CJ.

Antimicrob Agents Chemother. 2005 Jan;49(1):438-40.PMID: 15616330 [PubMed - indexed for MEDLINE]Related articlesFree article

In vitro antienterococcal activity explains associations between exposures to antimicrobial agents and risk of colonization by multiresistant enterococci.

Rice LB, Lakticová V, Helfand MS, Hutton-Thomas R.

J Infect Dis. 2004 Dec 15;190(12):2162-6. Epub 2004 Nov 16.PMID: 15551215 [PubMed - indexed for MEDLINE]Related articles

Hyperbaric oxygen therapy for brain injury, cerebral palsy, and stroke.

McDonagh M, Carson S, Ash J, Russman BS, Stavri PZ, Krages KP, Helfand M.

Evid Rep Technol Assess (Summ). 2003 Sep;(85):1-6. Review. No abstract available. PMID: 15523749 [PubMed - indexed for MEDLINE]Related articlesFree article

Rehabilitation for traumatic brain injury in children and adolescents.

Carney N, du Coudray H, Davis-O'Reilly C, Zimmer-Gembeck M, Mann NC, Krages KP, Helfand M.

Evid Rep Technol Assess (Summ). 1999 Sep;(2 Suppl):1-5. Review. No abstract available. PMID: 15510400 [PubMed - indexed for MEDLINE]Related articles

Comparative efficacy and safety of skeletal muscle relaxants for spasticity and musculoskeletal conditions: a systematic review.

Chou R, Peterson K, Helfand M.

J Pain Symptom Manage. 2004 Aug;28(2):140-75. Review.PMID: 15276195 [PubMed - indexed for MEDLINE]Related articles