Parachute Use To Prevent Death And Major Trauma Related To Gravitational Challenge Pdf

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Objectives To determine whether parachutes are effective in preventing major trauma related to gravitational challenge.

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Correspondence to: G C S Smith gcss2 cam. Objectives To determine whether parachutes are effective in preventing major trauma related to gravitational challenge. Data sources: Medline, Web of Science, Embase, and the Cochrane Library databases; appropriate internet sites and citation lists. Study selection: Studies showing the effects of using a parachute during free fall. Results We were unable to identify any randomised controlled trials of parachute intervention. Conclusions As with many interventions intended to prevent ill health, the effectiveness of parachutes has not been subjected to rigorous evaluation by using randomised controlled trials. Advocates of evidence based medicine have criticised the adoption of interventions evaluated by using only observational data.

Nevertheless up to date no prospective randomised controlled trial has proven the superiority in preventing trauma when falling from a great height instead of a free fall. The aim of this prospective randomised controlled trial was to prove the effectiveness of a parachute when falling from great height. In this prospective randomised-controlled trial a commercially acquirable rag doll was prepared for the purposes of the study design as in accordance to the Declaration of Helsinki, the participation of human beings in this trial was impossible. Twenty-five falls were performed with a parachute compatible to the height and weight of the doll. In the control group, another 25 falls were realised without a parachute. The main outcome measures were the rate of head injury; cervical, thoracic, lumbar, and pelvic fractures; and pneumothoraxes, hepatic, spleen, and bladder injuries in the control and parachute groups. An interdisciplinary team consisting of a specialised trauma surgeon, two neurosurgeons, and a coroner examined the rag doll for injuries.

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Smith and J. Smith , J. View on PubMed. Save to Library.

Kristi L. BMJ Dec Both civilian and military jumpers use parachutes to reduce risk for injury, but is there any objective evidence that these devices work? These British authors. These British authors performed a systematic review of randomized controlled trials in which the effects of using a parachute during free-fall were addressed. No studies met the inclusion criteria.


Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials. BMJ. Dec 20;​


What is this page? This page is hosted by Altmetric on behalf of the British Medical Journal. BMJ Article Metrics. Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials Overview of attention for article published in British Medical Journal, December

In such an experiment, a random sorting leads to only some subjects getting the real intervention being tested. The first known RCT took place in , when Dr. James Lind, surgeon on the HMS Salisbury , staked out his place in history by giving some scurvy patients citrus fruits. At first, anyway.

Objectives: To determine whether parachutes are effective in preventing major trauma related to gravitational challenge. Design: Systematic review of randomised controlled trials. Data sources: Medline, Web of Science, Embase, and the Cochrane Library databases; appropriate internet sites and citation lists. Study selection: Studies showing the effects of using a parachute during free fall.

Он обвил ее руками, и они сами собой начали стягивать с нее ночную рубашку. - Я понимаю это как знак согласия, - сказал он, и они не отрывались друг от друга всю ночь, согреваемые теплом камина. Этот волшебный вечер был шесть месяцев назад, до того как Дэвида неожиданно назначили главой факультета современных языков.

Пора переходить к решительным действиям. Немец рывком открыл дверь и собрался было закричать, но Беккер его опередил. Помахав карточкой теннисного клуба Мериленда, он рявкнул: - Полиция. После чего вошел в номер и включил свет.


Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials.


Вниз. Скорее. Еще одна спираль. Ему все время казалось, что Беккер совсем рядом, за углом. Одним глазом он следил за тенью, другим - за ступенями под ногами.

Грег Хейл убил одного из младших сотрудников лаборатории систем безопасности и взял в заложники моего старшего криптографа. Если нужно, используйте против всех нас слезоточивый газ. Если мистер Хейл не образумится, снайперы должны быть готовы стрелять на поражение.

3 Response
  1. Bautista B.

    In the examiner's comments were basically just a series of complaints about the poor quality of candidate "just can't get good candidates these days".

  2. Saber C.

    Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials · Gordon C S Smith · Jill P Pell.

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