SciCombinator

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Concept: Deep inguinal ring

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Enlargement of the ilioinguinal nerve at the external inguinal ring is observed in 34% of patients undergoing primary open inguinal herniorrhaphy; in 88% of patients it occurs at the fascial edge where the hernia mushrooms with abdominal pressure. Compression neuropathy occurs near many anatomical nerve constriction sites and is associated with enlargement of the peripheral nerve accompanied by sensory changes.

Concepts: Pain, Inguinal canal, Herniorrhaphy, Deep inguinal ring, Superficial inguinal ring, Hernia, Ilioinguinal nerve, Inguinal hernia

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We aimed to test the feasibility and reliability of ultrasound-guided percutaneous internal inguinal ring suture in rabbits, as a model for inguinal hernia repair in pediatric population.

Concepts: Hernia, Deep inguinal ring, Animal testing, Biology, Inguinal hernia

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Laparoscopic inguinal hernia repair in children is in evolution. Multiple methods of passing the suture around the peritoneum at the level of the internal inguinal ring exist. Cauterization of the peritoneum at the internal ring is thought to increase scarring and decrease recurrence. We have employed a sutureless, cautery only, laparoscopic single port repair of inguinal hernias and patent processus vaginalis (PPV) in girls.

Concepts: Cauterization, Herniorrhaphy, Processus vaginalis, Hernias, Deep inguinal ring, Hernia, Surgery, Inguinal hernia

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The rising use of endovascular techniques utilizing femoral artery access may increase the frequency with which surgeons face the challenge of hernia repair in reoperative groins-which may or may not include a vascular graft. We present a case where a vascular graft contributed to an acute presentation and complicated dissection, and review the literature. A 67-year-old man who had undergone prior endovascular aneurysm repair via open bilateral femoral artery access and concomitant prosthetic femorofemoral bypass, presented with an incarcerated, scrotal inguinal hernia. The graft with its associated fibrosis contributed to the incarceration by compressing the inguinal ring. Repair was undertaken via an open, anterior approach with tension-free, Lichtenstein herniorraphy after releasing graft-associated fibrosis. Repair of groin hernias in this complex setting requires careful surgical planning, preparation for potential vascular reconstruction and meticulous technique to avoid bowel injury in the face of a vascular conduit and mesh.

Concepts: Bowel obstruction, Deep inguinal ring, Scrotum, Herniorrhaphy, Hernias, Hernia, Inguinal hernia, Surgery

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The aim of this study was to show limitation as well as potential of micro-endoscopy techniques as an innovative diagnostic and therapeutic approach in andrology. Two kinds of custom-made micro-endoscopes (ME) were tested in ex vivo vas deferens specimen and in post-mortem whole body. The semi-rigid ME included a micro-optic (0.9 mm outer diameter [OD], 10.000 pixels, 120° vision angle [VE], 3-20 mm field depth [FD]) and an integrated fibre-optic light source. The flexible ME was composed of a micro-optic (OD = 0.6 mm, 6.000 pixels, 120° VE, 3-20 mm FD). The ex vivo study included retrograde investigation of the vas deferens (surgical specimen n = 9, radical prostatectomy n = 3). The post-mortem investigation (n = 4) included the inspection of the vas deferens via both approaches. The results showed that antegrade and retrograde rigid endoscopy of the vas deferens were achieved as a diagnostic tool. The working channel enabled therapeutic use including biopsies or baskets. Using the flexible ME, the orifices of the ejaculatory ducts were identified. In vivo cadaveric retrograde cannulation of the orifices was successful. Post-mortem changes of verumontanum hindered the examinations beyond. Orifices were identified shaded behind a thin transparent membrane. Antegrade vasoscopy using flexible ME was possible up to the internal inguinal ring. Further advancement was impossible because of anatomical angle and lack adequate vision guidance. The vas deferens interior was clearly visible and was documented by pictures and movies. Altogether, the described ME techniques were feasible and effective, offering the potential of innovative diagnostic and therapeutic approaches for use in the genital tract. Several innovative indications could be expected.

Concepts: Total internal reflection, Deep inguinal ring, Urology, Diagnosis, Ejaculatory duct, Male reproductive system, Vas deferens, In vivo

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Undescended testis is a common problem, which is prevalent in 3 % of male infants. This study aimed to determine the effect of leaving the deep inguinal ring (DIR) without closure during laparoscopic orchiopexy (LO), with regard to post-operative hernia formation and other outcomes.

Concepts: Testicle, Andrology, Orchiopexy, Cryptorchidism, Deep inguinal ring, Inguinal hernia

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We sought to retrospectively assess the operative findings and clinical outcomes of 148 girls who underwent laparoscopic inguinal hernia repair with the percutaneous internal ring suturing (PIRS) technique.

Concepts: Deep inguinal ring, Hernias, Hernia, Surgery, Inguinal hernia

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The aim of this study was to explore the clinical efficacy of a novel retrograde puncture approach to establish a preperitoneal space for laparoscopic direct inguinal hernia repair with inguinal ring suturing. Forty-two patients who underwent laparoscopic inguinal hernia repair with retrograde puncture for preperitoneal space establishment as well as inguinal ring suturing between August 2013 and March 2014 at our hospital were enrolled. Preperitoneal space was successfully established in all patients, with a mean establishment time of 6 min. Laparoscopic repairs were successful in all patients, with a mean surgical time of 26±15.1 min. Mean postoperative hospitalization duration was 3.0±0.7 days. Two patients suffered from postoperative local hematomas, which were relieved after puncturing and drainage. Four patients had short-term local pain. There were no cases of chronic pain. Patients were followed up for 6 months to 1 year, and no recurrence was observed. Our results demonstrate that preperitoneal space established by the retrograde puncture technique can be successfully used in adult laparoscopic hernioplasty to avoid intraoperative mesh fixation, and thus reduce medical costs.

Concepts: Pain, Deep inguinal ring, Hospital, Hernia, Hernias, Time, Inguinal hernia, Surgery

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Fournier’s gangrene (FG) requires prompt recognition and management. We report the case of a 68-year-old man who presented with extensive pain and purple discolouration from the right iliac fossa to perineum. Computed tomography demonstrated gas within the right hemiscrotum extending into the inguinal canal and right buttock, with a right pelvic fluid and air collection. At debridement necrotic fluid was arising from the superficial inguinal ring so laparotomy was performed, revealing a grossly inflamed appendix herniating into the inguinal canal; a right hemicolectomy was performed. Unfortunately, the patient went into cardiac arrest and passed away on the operating table. Histological analysis demonstrated acute-on-chronic inflammation involving the appendix. The condition where appendicitis is implicated in FG is usually due to retroperitoneal rupture and tracking into the perineal spaces. This is the first case reported of an inflamed appendix herniating into the inguinal canal and thus causing FG.

Concepts: Fournier gangrene, Pelvic inflammatory disease, Appendicitis, Perineum, Deep inguinal ring, Inflammation, Necrosis, Pelvis

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Case Description-A 4-month-old Hampshire ram underwent open right inguinal herniorrhaphy and unilateral castration following herniation that developed after a kick injury. Seven months later, the ram was reevaluated because of scrotal swelling of 1 month’s duration as well as suspected left inguinal hernia. Clinical Findings-The ram had marked scrotal swelling. Palpation of the left testicle revealed no abnormalities. Ultrasonographic examination revealed heterogenous tissue within the cranial and medial portions of the scrotum with pronounced accumulation of hypoechoic fluid at the scrotal apex. Examination findings indicated left-sided indirect inguinal herniation of omentum. Treatment and Outcome-To preserve fertility, left inguinal hernioplasty without castration was performed. The ram was anesthetized and placed in dorsal recumbency, and laparoscopic abdominal evaluation revealed omental entrapment within the left inguinal ring. The omentum was removed, and a polypropylene mesh was secured over the internal inguinal ring with an articulating hernia stapler. Following mesh placement, a dorsally based peritoneal flap was elevated and secured over the mesh repair. The ram recovered well from surgery; there was no repeated herniation following the surgical correction, and the ram was able to breed successfully without complication. Clinical Relevance-Laparoscopic mesh hernioplasty can be successful in rams with inguinal hernias when preservation of fertility is preferred.

Concepts: Deep inguinal ring, Scrotum, Testicle, Hernias, Herniorrhaphy, Hernia, Surgery, Inguinal hernia