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Blocks of Nerves of the Trunk
Published in Bernard J. Dalens, Jean-Pierre Monnet, Yves Harmand, Pediatric Regional Anesthesia, 2019
The iliohypogastric nerve (Figure 4.14) emerges from the upper border of the first lumbar spinal nerve, immediately after this nerve has received a branch from the twelfth spinal nerve (which contributes fibers to both the iliohypogastric and the ilioinguinal nerves). It emerges from the lateral border of the psoas, perforates the transversus abdominis muscle, and runs obliquely adjacent to the posterior aspect of the internal oblique muscle (it contributes fibers to the latter two muscles and to the ilioinguinal nerve). At the level of the iliac crests, the nerve divides into two terminal branches: A lateral cutaneous branch, which perforates the oblique muscles and supplies the skin of the buttock (ventral part)A medial cutaneous branch, which gradually pierces the internal oblique muscle, then the aponeurosis of the external oblique muscle, and supplies the skin covering the abdominal wall, above the pubis
The Gallbladder (GB)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
Ilioinguinal nerve (L1): Supplies the skin of the scrotum or labia majora, mons pubis, and that region of the medial thigh that is immediately adjacent. Penile nerves enter the ilioinguinal nerves as well as the perineal, the dorsal penile, and pudendal nerves, terminating in the cord from T12 to S4.2 Also innervates the internal oblique and transverse abdominal muscles. See also the iliohypogastric nerve.
Paper 5 Answers
Published in James Day, Amy Thomson, Tamsin McAllister, Nawal Bahal, Get Through, 2014
James Day, Amy Thomson, Tamsin McAllister, Nawal Bahal
The iliohypogastric nerve pierces the internal oblique in front of the anterior superior iliac spine, runs deep to the external oblique and ends supplying the suprapubic skin as well as a gluteal region lateral to the ischial tuberosity. The ilioinguinal nerve traverses the inguinal canal anterior to the spermatic cord. It emerges through the external ring supplying the skin of the scrotum and an area on the upper medial thigh.
Postoperative pain and neuropathy after caesarean operation featuring blunt or sharp opening of the fascia: a randomised, parallel group, double-blind study
Published in Journal of Obstetrics and Gynaecology, 2018
Fatma Yazici Yilmaz, Begum Aydogan Mathyk, Serhat Yildiz, Nefise Nazli Yenigul, Ceren Saglam
Not only the VAS scores, but also the incidence of neuropathy, were significantly higher in the sharp group at 1 and 3 months after surgery (p = .043 and p = .016, respectively) (Table 3). Neuropathic pain can be present immediately postoperatively or even weeks to months later; the classical manifestation is a burning pain in the lower abdomen (Cardosi et al. 2002; Whiteside et al. 2003; Rahn et al. 2010). Neuropathy is defined as the loss of sensation, paraesthesia and/or dysesthesia in the known region of distribution of a sensory nerve and/or as weakness in a muscle group supplied by a peripheral nerve. The iliohypogastric nerve supplies sensations to the skin of the glutaeal and hypogastric regions. The ilioinguinal nerve provides sensory innervation to the skin overlying the groyne, inner thigh and labia majora (Stulz and Pfeiffer 1982; Hahn 1989; Whiteside et al. 2003). In this study, the extent of neuropathy was lower in the blunt group than in the sharp group. The patients who developed neuropathy complained particularly about the numbness and hypoaesthesia in the region of the incision.
Effect of perineural bupivacaine infiltration on reducing inguinodynia in patients undergoing inguinal meshplasty – a randomized controlled trial
Published in Acta Chirurgica Belgica, 2022
Angeline Mary Samy, Amaranathan Anandhi, Gubbi Shamanna Sreenath, Sathasivam Sureshkumar, Srinivasan Swaminathan
The ilioinguinal nerve was identified 3 cm medial and 4 cm inferior to ASIS and 3 cm lateral to the midline. The iliohypogastric nerve was identified 1.5 cm inferior to ASIS and 4 cm lateral to midline. The facial plane, which we had injected, was between the internal oblique and transverse abdominis muscle. The fascia here splits to enclose the ilioinguinal and iliohypogastric nerve. It was at this point that the local anesthetic is deposited to block both the ilioinguinal and iliohypogastric nerves. The landmark for the Genitofemoral nerve block was a point medial to the pubic tubercle.