CONTEXT Hip abductor muscle weakness is related to many lower extremity injuries. A simple procedure, the Trendelenburg test, may be used to assess hip abductor performance in patient populations. OBJECTIVE To describe the minimal detectable change (MDC) in pelvic-on-femoral (P-O-F) position of the stance limb during the Trendelenburg test. SETTING Laboratory. PARTICIPANTS 45 healthy wome...

OBJECTIVE To review the literature on use of the Trendelenburg position as a position for resuscitation of patients who are hypotensive. METHODS PubMed online, cited bibliographies, critical care textbooks, and Advanced Cardiac Life Support guidelines were searched for information on the position used for resuscitation. Because of the heterogeneity of the data, only pertinent articles and cha...

OBJECTIVES (1) To determine the validity of current recommendations for direct arterial BP measurement that suggest that the transducer (zeroed to atmosphere) be placed level with the catheter access regardless of subject positioning: and (2) to investigate the effect of transducer level, catheter access site, and subject positioning on direct arterial BP measurement. DESIGN Prospective, cont...

BACKGROUND The femoral vein is an important site for central venous access in newborns and infants. The objectives of this study are to determine whether age or weight can be used clinically to predict the size of the femoral vein in newborns and infants, and to compare the size of the vein in each individual in both the supine and reverse Trendelenburg positions. RESULTS Analysis was done in...

Background Intraocular pressure (IOP) is increased during laparoscopic surgery with Trendelenburg position and may contribute to deleterious effects on optic nerve in susceptible patients. Aims The primary objective of this study is to compare the effects of propofol-based total intravenous anesthesia (TIVA) with those of sevoflurane anesthesia on IOP in patients undergoing lower abdominal la...

The Trendelenburg position has been severely criticized (Inglis and Brooke, 1956; Swain, 1960) but is still popular for pelvic surgery. One of the main complaints about this position is that it reduces ventilation as a result of pressure by the abdominal contents upon the diaphragm. This, of course, applies only to patients breaching spontaneously, because, if artificial ventilation is used, th...

PURPOSE Intraocular pressure (IOP) increases in patients in a steep Trendelenburg position during robotic-assisted laparoscopic radical prostatectomy (RALP). We hypothesized that a steep Trendelenburg position during RALP, an unusual systemic condition involving a transiently increased IOP, may induce ocular pathology that can be detected by detailed evaluations long after the surgery. This stu...

BACKGROUND To achieve an adequate visual working field during laparoscopic colorectal surgery without disturbance of the small intestine, patients are positioned in the Trendelenburg position. This position results in hemodynamic changes that may increase the risk of cardiopulmonary complications and prolonged hospital stay. Recently, an intraoperative retractor sponge was introduced as an alte...

We have measured the effect of pneumoperitoneum and the Trendelenburg position on lower oesophageal sphincter (LOSP) and barrier pressures (BrP) in 11 anaesthetized pigs while measuring the incidence of gastro-oesophageal reflux with a pH electrode. Propofol in combination with sufentanil had no effect on LOSP or BrP. Adoption of the Trendelenburg position with a pneumoperitoneum of 15 mm Hg re...

Proper patient positioning and port placement is of critical importance in robotic-assisted laparoscopic radical prostatectomy (RALP). Not having the patient in the correct Trendelenburg position or not being able to move the surgical instruments freely in the abdominal cavity can be frustrating, especially for naïve robotic surgeons (ie, those at the beginning of the learning curve for this pr...