1993
DOI: 10.1016/0952-8180(93)90121-t
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The femoral 3-in-1 block revisited

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Cited by 131 publications
(50 citation statements)
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“…We assessed success of obturator nerve block by measuring adductor muscle strength with a sphygmomanometer [17][18][19]. Patients were instructed to extend both knees fully, dorsiflex both ankles in the supine position and squeeze a blood pressure cuff inflated to 40 mmHg between their knees by adducting their hips while an investigator held down the contralateral knee to fixate it.…”
mentioning
confidence: 99%
“…We assessed success of obturator nerve block by measuring adductor muscle strength with a sphygmomanometer [17][18][19]. Patients were instructed to extend both knees fully, dorsiflex both ankles in the supine position and squeeze a blood pressure cuff inflated to 40 mmHg between their knees by adducting their hips while an investigator held down the contralateral knee to fixate it.…”
mentioning
confidence: 99%
“…The paravascular '3 in 1' nerve block of Winnie used in this study is easy to perform and claims to block the femoral, LFCN and obturator nerves [11]. However, various investigators have demonstrated low success rates with respect to blockade of the obturator nerve [18,19] and considerable variation in the rate of successful LFCN blockade, ranging from 100% [11] to 27% [20]. Bardeen's proposal that branches of the LFCN extend to the anterior aspect of the thigh in up to 37% of the population [9], Hopkins et al's clinical demonstration of the variability in LFCN distribution [10] and our description of sensory loss located medial to the AIIS-patellar line in 40% of patients (Fig.…”
Section: Discussionmentioning
confidence: 99%
“…Some investigators have questioned its efficacy due to incomplete block of obturator nerve. 1,2 Failure to achieve block of this nerve may cause incomplete analgesia after hip surgery. better analgesia after hip operation.…”
Section: Inguinal Perivascular Technique (Anterior Approach) or (Ii) mentioning
confidence: 99%