{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,18]],"date-time":"2026-04-18T01:37:26Z","timestamp":1776476246983,"version":"3.51.2"},"reference-count":28,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:sec>\n            <jats:title>Objectives:<\/jats:title>\n            <jats:p>To compare the radiological and clinical results with PFNA-II and InterTan in the treatment of unstable trochanteric fractures in the elderly.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Design:<\/jats:title>\n            <jats:p>Retrospective, multicenter, matched pair.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Setting:<\/jats:title>\n            <jats:p>Three tertiary level trauma centers.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Patients:<\/jats:title>\n            <jats:p>Hundred elderly patients who underwent intramedullary stabilization with either the PFNA-II or the InterTan for osteoporotic unstable trochanteric fractures.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Interventions:<\/jats:title>\n            <jats:p>Fifty matched pairs consisting of OTA\/AO\u2013A2 and A3 fractures were created from a cohort of 290 patients who underwent internal fixation for unstable trochanteric fractures with the PFNA-II or InterTan nails.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Outcome Measurements:<\/jats:title>\n            <jats:p>Radiological assessment was performed to compare union rates, varus collapse, medial or lateral screw\/blade migration, and cut-out. Functional outcome at 1 year was assessed and compared using Harris hip score, Timed Up and Go test, and the mobility score.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>Union rates, fracture reduction, neck shaft angle, and tip\u2013apex distance were similar in both groups. The PFNA-II group had a significantly higher degree of lateral sliding of the helical blade (<jats:italic toggle=\"yes\">P<\/jats:italic> &lt; 0.001). The InterTan group had a better Harris hip score, mobility score, Timed Up and Go test scores, and abductor strength (<jats:italic toggle=\"yes\">P<\/jats:italic> &lt; 0.05) at 1 year. The incidence of varus collapse and medial blade migration were higher in the PFNA-II group (<jats:italic toggle=\"yes\">P<\/jats:italic> &gt; 0.05). The need for repeat surgery to address surgery-related complications were significantly high in the PFNA-II group (<jats:italic toggle=\"yes\">P<\/jats:italic> = 0.045).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>The InterTan may provide superior functional outcome and reduced complications than does the Proximal Femur Nail - Antirotation in elderly patients with unstable trochanteric fractures.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Level of Evidence:<\/jats:title>\n            <jats:p>Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/bot.0000000000001145","type":"journal-article","created":{"date-parts":[[2018,2,11]],"date-time":"2018-02-11T13:20:53Z","timestamp":1518355253000},"page":"274-277","source":"Crossref","is-referenced-by-count":32,"title":["Helical Blade or the Integrated Lag Screws: A Matched Pair Analysis of 100 Patients With Unstable Trochanteric Fractures"],"prefix":"10.1097","volume":"32","author":[{"given":"Ashok S.","family":"Gavaskar","sequence":"first","affiliation":[{"name":"Department of Orthopedics, Gleneagles Global Hospital, Chennai, India;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naveen C.","family":"Tummala","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Trauma, Swaram Hospital, Chennai, India;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Parthasarathy","family":"Srinivasan","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, Dr. Mehta's Hospital, Chennai, India;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hitesh","family":"Gopalan","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, MOSC Medical College, Cochin, India;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bhupesh","family":"Karthik","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Trauma, SBS Hospital, Hosur, India; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Santosh","family":"S","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, Parvathy Hospital, Chennai, India."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-20230828","doi-asserted-by":"crossref","first-page":"618","DOI":"10.2106\/00004623-199805000-00002","article-title":"Use of an intramedullary hip-screw compared with a compression hip-screw with a plate for intertrochanteric femoral fractures: a prospective, randomized study of one hundred patients","volume":"80","author":"Hardy","year":"1998","journal-title":"J Bone Joint Surg Am."},{"issue":"suppl 2","key":"R3-20230828","doi-asserted-by":"crossref","first-page":"S47","DOI":"10.1016\/S0020-1383(13)70179-7","article-title":"Proximal femoral nail antirotation versus Gamma3 nail for intramedullary nailing of unstable trochanteric fractures. 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