Reverse Trendelenburg Positioning and Its Effect on Outcomes: a Retrospective Study of Consecutive Patients
Evaluation of Operating Room Reverse Trendelenburg Positioning and Its Effect on Postoperative Hypoxemia, Aspiration, and Length of Stay: a Retrospective Study of Consecutive Patients
1 other identifier
observational
1,500
1 country
1
Brief Summary
The purpose of this study is to investigate whether intraoperative reverse Trendelenburg positioning decreases postoperative hypoxemia and perioperative pulmonary aspiration rates.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started May 2015
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2015
CompletedFirst Submitted
Initial submission to the registry
December 4, 2016
CompletedFirst Posted
Study publicly available on registry
December 7, 2016
CompletedDecember 7, 2016
December 1, 2016
4 months
December 4, 2016
December 4, 2016
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Postoperative hypoxemia
48 hours postoperatively
Secondary Outcomes (1)
Perioperative pulmonary aspiration
48 hours postoperatively
Study Arms (2)
2012 patients
Surgical patients in 2012 with anesthesia and nursing staff less attuned to intraoperative RTP.
2015 patients
Surgical patients in 2015 with enhanced anesthesia and nursing staff awareness and use of intraoperative RTP.
Interventions
RTP, reverse Trendelenburg positioning
RTP, reverse Trendelenburg positioning
Eligibility Criteria
Surgical patients from an urban hospital
You may qualify if:
- Patients undergoing endotracheal intubation and general anesthesia
- Age ≥18 years
- Glasgow Coma Scale score ≥13 (prior to tracheal intubation)
- American Society of Anesthesiologists classification I-IV
- Pre-operative pulmonary stability
You may not qualify if:
- Tracheal intubation prior to emergency department arrival
- Cardiac and thoracic surgical patients
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- C. Michael Dunhamlead
- St. Elizabeth Youngstown Hospitalcollaborator
Study Sites (1)
St. Elizabeth Youngstown Hospital
Youngstown, Ohio, 44501, United States
Related Publications (28)
Dunham CM, Hileman BM, Hutchinson AE, Chance EA, Huang GS. Perioperative hypoxemia is common with horizontal positioning during general anesthesia and is associated with major adverse outcomes: a retrospective study of consecutive patients. BMC Anesthesiol. 2014 Jun 9;14:43. doi: 10.1186/1471-2253-14-43. eCollection 2014.
PMID: 24940115BACKGROUNDCotton BR, Smith G. The lower oesophageal sphincter and anaesthesia. Br J Anaesth. 1984 Jan;56(1):37-46. doi: 10.1093/bja/56.1.37. No abstract available.
PMID: 6140931BACKGROUNDTiret L, Desmonts JM, Hatton F, Vourc'h G. Complications associated with anaesthesia--a prospective survey in France. Can Anaesth Soc J. 1986 May;33(3 Pt 1):336-44. doi: 10.1007/BF03010747.
PMID: 3719435BACKGROUNDKozlow JH, Berenholtz SM, Garrett E, Dorman T, Pronovost PJ. Epidemiology and impact of aspiration pneumonia in patients undergoing surgery in Maryland, 1999-2000. Crit Care Med. 2003 Jul;31(7):1930-7. doi: 10.1097/01.CCM.0000069738.73602.5F.
PMID: 12847385BACKGROUNDKluger MT, Short TG. Aspiration during anaesthesia: a review of 133 cases from the Australian Anaesthetic Incident Monitoring Study (AIMS). Anaesthesia. 1999 Jan;54(1):19-26. doi: 10.1046/j.1365-2044.1999.00642.x.
PMID: 10209365BACKGROUNDEwig S, Torres A. Prevention and management of ventilator-associated pneumonia. Curr Opin Crit Care. 2002 Feb;8(1):58-69. doi: 10.1097/00075198-200202000-00010.
PMID: 12205408BACKGROUNDTorres A, Serra-Batlles J, Ros E, Piera C, Puig de la Bellacasa J, Cobos A, Lomena F, Rodriguez-Roisin R. Pulmonary aspiration of gastric contents in patients receiving mechanical ventilation: the effect of body position. Ann Intern Med. 1992 Apr 1;116(7):540-3. doi: 10.7326/0003-4819-116-7-540.
PMID: 1543307BACKGROUNDReali-Forster C, Kolobow T, Giacomini M, Hayashi T, Horiba K, Ferrans VJ. New ultrathin-walled endotracheal tube with a novel laryngeal seal design. Long-term evaluation in sheep. Anesthesiology. 1996 Jan;84(1):162-72; discussion 27A. doi: 10.1097/00000542-199601000-00019.
PMID: 8572330BACKGROUNDPetring OU, Adelhoj B, Jensen BN, Pedersen NO, Lomholt N. Prevention of silent aspiration due to leaks around cuffs of endotracheal tubes. Anesth Analg. 1986 Jul;65(7):777-80.
PMID: 3717617BACKGROUNDSeegobin RD, van Hasselt GL. Aspiration beyond endotracheal cuffs. Can Anaesth Soc J. 1986 May;33(3 Pt 1):273-9. doi: 10.1007/BF03010737.
PMID: 3719428BACKGROUNDSmith G, Ng A. Gastric reflux and pulmonary aspiration in anaesthesia. Minerva Anestesiol. 2003 May;69(5):402-6.
PMID: 12768174BACKGROUNDFerrer R, Artigas A. Clinical review: non-antibiotic strategies for preventing ventilator-associated pneumonia. Crit Care. 2002 Feb;6(1):45-51. doi: 10.1186/cc1452. Epub 2001 Jan 11.
PMID: 11940265BACKGROUNDKeenan SP, Heyland DK, Jacka MJ, Cook D, Dodek P. Ventilator-associated pneumonia. Prevention, diagnosis, and therapy. Crit Care Clin. 2002 Jan;18(1):107-25. doi: 10.1016/s0749-0704(03)00068-x.
PMID: 11910725BACKGROUNDKoeman M, van der Ven AJ, Ramsay G, Hoepelman IM, Bonten MJ. Ventilator-associated pneumonia: recent issues on pathogenesis, prevention and diagnosis. J Hosp Infect. 2001 Nov;49(3):155-62. doi: 10.1053/jhin.2001.1073. No abstract available.
PMID: 11716631BACKGROUNDFernandez-Crehuet R, Diaz-Molina C, de Irala J, Martinez-Concha D, Salcedo-Leal I, Masa-Calles J. Nosocomial infection in an intensive-care unit: identification of risk factors. Infect Control Hosp Epidemiol. 1997 Dec;18(12):825-30.
PMID: 9442407BACKGROUNDDrakulovic MB, Torres A, Bauer TT, Nicolas JM, Nogue S, Ferrer M. Supine body position as a risk factor for nosocomial pneumonia in mechanically ventilated patients: a randomised trial. Lancet. 1999 Nov 27;354(9193):1851-8. doi: 10.1016/S0140-6736(98)12251-1.
PMID: 10584721BACKGROUNDKollef MH. Ventilator-associated pneumonia. A multivariate analysis. JAMA. 1993 Oct 27;270(16):1965-70.
PMID: 8411554BACKGROUNDInstitute for Healthcare Improvement: Prevent ventilator-associated pneumonia. Institute for Healthcare Improvement. 2012. http://www.ihi.org/knowledge/Pages/Changes/ImplementtheVentilatorBundle.aspx; Accessed 9 Dec 2013.
BACKGROUNDBlitt CD, Gutman HL, Cohen DD, Weisman H, Dillon JB. "Silent" regurgitation and aspiration during general anesthesia. Anesth Analg. 1970 Sep-Oct;49(5):707-13. No abstract available.
PMID: 5534428BACKGROUNDMcEwen DR. Intraoperative positioning of surgical patients. AORN J. 1996 Jun;63(6):1059-63, 1066-79; quiz 1080-6. doi: 10.1016/s0001-2092(06)63293-6.
PMID: 8771317BACKGROUNDAdedeji R, Oragui E, Khan W, Maruthainar N. The importance of correct patient positioning in theatres and implications of mal-positioning. J Perioper Pract. 2010 Apr;20(4):143-7. doi: 10.1177/175045891002000403.
PMID: 20446625BACKGROUNDSmith KA. Positioning principles. An anatomical review. AORN J. 1990 Dec;52(6):1196-202, 1204, 1206-8. doi: 10.1016/s0001-2092(07)69197-2. No abstract available.
PMID: 2278485BACKGROUNDMulier JP, Dillemans B, Van Cauwenberge S. Impact of the patient's body position on the intraabdominal workspace during laparoscopic surgery. Surg Endosc. 2010 Jun;24(6):1398-402. doi: 10.1007/s00464-009-0785-8. Epub 2010 Jan 7.
PMID: 20054583BACKGROUNDAbdulla S. Pulmonary aspiration in perioperative medicine. Acta Anaesthesiol Belg. 2013;64(1):1-13.
PMID: 23767172BACKGROUNDEngelhardt T, Webster NR. Pulmonary aspiration of gastric contents in anaesthesia. Br J Anaesth. 1999 Sep;83(3):453-60. doi: 10.1093/bja/83.3.453. No abstract available.
PMID: 10655918BACKGROUNDNg A, Smith G. Gastroesophageal reflux and aspiration of gastric contents in anesthetic practice. Anesth Analg. 2001 Aug;93(2):494-513. doi: 10.1097/00000539-200108000-00050.
PMID: 11473886BACKGROUNDKalinowski CP, Kirsch JR. Strategies for prophylaxis and treatment for aspiration. Best Pract Res Clin Anaesthesiol. 2004 Dec;18(4):719-37. doi: 10.1016/j.bpa.2004.05.008.
PMID: 15460555BACKGROUNDMichael Dunham C, Hileman BM, Hutchinson AE, Antonaccio T, Chance EA, Huang GS, Szmaj G, Calabro K, Bishop C, Schrickel TT. Evaluation of operating room reverse Trendelenburg positioning and its effect on postoperative hypoxemia, aspiration, and length of stay: a retrospective study of consecutive patients. Perioper Med (Lond). 2017 Aug 22;6:10. doi: 10.1186/s13741-017-0067-2. eCollection 2017.
PMID: 28852473DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
C. Michael Dunham, MD
St. Elizabeth Youngstown Hospital
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Research Associate, St. Elizabeth Youngstown Hospital
Study Record Dates
First Submitted
December 4, 2016
First Posted
December 7, 2016
Study Start
May 1, 2015
Primary Completion
September 1, 2015
Study Completion
September 1, 2015
Last Updated
December 7, 2016
Record last verified: 2016-12
Data Sharing
- IPD Sharing
- Will not share