{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T17:23:44Z","timestamp":1787765024765,"version":"build-2784847793"},"reference-count":7,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Paraneural sheath engulfing the sciatic nerve (SN) between the ischial tuberosity and the greater trochanter is well known.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>In order to explore the anatomical planes separating the paraneurium from the epineurium in SN, we conducted a cadaveric study (two patients and four specimens), followed by a clinical study in 10 patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>We demonstrated an elevation of 5\u20137 layers of paraneural tissues after an in-plane injection in the longitudinal axis of the proximal SN, which was possibly the last of the paraneural sheath. In the clinical study, the block provided low pain scores with no rescue analgesia postoperatively and no neurological deficit at the time of discharge.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This is probably the first series which has described the elevation of several layers of paraneural tissues after an in-plane injection in the longitudinal axis of the proximal SN.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/jmu.jmu_121_22","type":"journal-article","created":{"date-parts":[[2023,12,26]],"date-time":"2023-12-26T08:00:54Z","timestamp":1703577654000},"page":"305-308","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["The Paraneural Sciatic Sheaths in Longitudinal Axis at the Level of Greater Trochanter: An Ultrasound Cadaveric and Clinical Correlation Study"],"prefix":"10.4103","volume":"31","author":[{"given":"Sandeep","family":"Diwan","sequence":"first","affiliation":[{"name":"Department of Anesthesiology, Sancheti Hospital, Pune, Maharashtra, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georg","family":"Feigl","sequence":"additional","affiliation":[{"name":"Department of Macroscopic and Clinical Anatomy, Institute of Anatomy and Clinical Morphology, Witten\/Herdecke University, Witten, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abhijit","family":"Nair","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, Ibra Hospital, North Sharqiya Governorate, Ibra, Sultanate of Oman"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Parag","family":"Sancheti","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, Sancheti Hospital, Pune, Maharashtra, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2023,4,6]]},"reference":[{"key":"R1-20240830","doi-asserted-by":"crossref","first-page":"410","DOI":"10.1097\/AAP.0b013e31825145f3","article-title":"Injection inside the paraneural sheath of the sciatic nerve: Direct comparison among ultrasound imaging, macroscopic anatomy, and histologic analysis","volume":"37","author":"Andersen","year":"2012","journal-title":"Reg Anesth Pain Med"},{"key":"R2-20240830","doi-asserted-by":"crossref","first-page":"447","DOI":"10.1097\/AAP.0b013e31829ffcb4","article-title":"High-definition ultrasound imaging defines the paraneural sheath and the fascial compartments surrounding the sciatic nerve at the popliteal fossa","volume":"38","author":"Karmakar","year":"2013","journal-title":"Reg Anesth Pain Med"},{"key":"R3-20240830","doi-asserted-by":"crossref","first-page":"2119","DOI":"10.1016\/j.apmr.2019.04.016","article-title":"Ultrasound-guided standard versus dual-target subacromial corticosteroid injections for shoulder impingement syndrome: A randomized controlled trial","volume":"100","author":"Wang","year":"2019","journal-title":"Arch Phys Med Rehabil"},{"key":"R4-20240830","doi-asserted-by":"crossref","first-page":"905","DOI":"10.1016\/j.apmr.2020.11.011","article-title":"Effects of ultrasound-guided peritendinous and intrabursal corticosteroid injections on shoulder tendon elasticity: A post hoc analysis of a randomized controlled trial","volume":"102","author":"Hsu","year":"2021","journal-title":"Arch Phys Med Rehabil"},{"key":"R5-20240830","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1097\/AAP.0b013e3182a34dfa","article-title":"The paraneural compartment: A new destination?","volume":"38","author":"Abdallah","year":"2013","journal-title":"Reg Anesth Pain Med"},{"key":"R6-20240830","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1093\/bja\/ael364","article-title":"Ultrasound-guided sciatic nerve block: Description of a new approach at the subgluteal space","volume":"98","author":"Karmakar","year":"2007","journal-title":"Br J Anaesth"},{"key":"R7-20240830","doi-asserted-by":"crossref","first-page":"627","DOI":"10.1097\/AAP.0b013e31826af511","article-title":"A 3-dimensional ultrasound study of local anesthetic spread during lateral popliteal nerve block: What is the ideal end point for needle tip position?","volume":"37","author":"Missair","year":"2012","journal-title":"Reg Anesth Pain Med"}],"container-title":["Journal of Medical 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