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A Computed Tomography-Based Assessment of the Anatomical Parameters Concerning S2-Alar Iliac Screw Insertion Using "Safe Trajectory Method" in Indian Population
A retrospective computed tomography (CT)-based radiological analysis. To obtain CT-based morphometric data for the S2 alar iliac (S2AI) screw in the Indian population presenting to School of Medical Sciences and Research, Greater Noida, we used the concept of "safe trajectory" by Pontes an...
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| Published in: | Asian spine journal 2023, 17(1), , pp.130-137 |
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| container_title | Asian spine journal |
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| creator | Kaul, Rahul Goswami, Bharat Kumar, Khemendra Jeyaraman, Madhan Sangondimath, Gururaj Chhabra, H S |
| description | A retrospective computed tomography (CT)-based radiological analysis.
To obtain CT-based morphometric data for the S2 alar iliac (S2AI) screw in the Indian population presenting to School of Medical Sciences and Research, Greater Noida, we used the concept of "safe trajectory" by Pontes and his colleagues in a recent study.
Although previous CT-based morphometric studies on the S2AI screw have been published for a variety of ethnic groups, morphometric data specifically for the Indian population are scarce.
We used the three-dimensional multiplanar reformatting software to conduct a retrospective CT analysis of 112 consecutive patients who met our exclusion criteria for various abdominal and pelvic pathologies. CT imaging planes were rotated between the S1 and S2 foramen until they matched the ideal S2AI screw trajectory, which was represented by the longest and widest iliac osseous channel observed in the axial CT section. Following the concept of a safe trajectory, S2AI screw morphometric parameters were measured on both sides of the pelvis using corresponding axial and sagittal CT images.
In the sagittal and transverse planes on both sides of the pelvis, females had significantly higher screw trajectory angulation than males (p |
| doi_str_mv | 10.31616/asj.2022.0034 |
| format | article |
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To obtain CT-based morphometric data for the S2 alar iliac (S2AI) screw in the Indian population presenting to School of Medical Sciences and Research, Greater Noida, we used the concept of "safe trajectory" by Pontes and his colleagues in a recent study.
Although previous CT-based morphometric studies on the S2AI screw have been published for a variety of ethnic groups, morphometric data specifically for the Indian population are scarce.
We used the three-dimensional multiplanar reformatting software to conduct a retrospective CT analysis of 112 consecutive patients who met our exclusion criteria for various abdominal and pelvic pathologies. CT imaging planes were rotated between the S1 and S2 foramen until they matched the ideal S2AI screw trajectory, which was represented by the longest and widest iliac osseous channel observed in the axial CT section. Following the concept of a safe trajectory, S2AI screw morphometric parameters were measured on both sides of the pelvis using corresponding axial and sagittal CT images.
In the sagittal and transverse planes on both sides of the pelvis, females had significantly higher screw trajectory angulation than males (p<0.001). On both sides of the pelvis, males had significantly greater iliac width, maximum screw trajectory length, and intrascrotal length than females (p<0.001). On both sides of the pelvis, the S2AI screw entry point in females was significantly deeper than in males from the skin margin (p<0.001).
Based on our methodology, we discovered that the S2AI screw trajectory is significantly more caudal and lateral in females, the maximum screw length is sufficient for use in clinical practice regardless of gender, and that 8.5 mm or even larger screw diameters are feasible in the majority of the Indian population.</description><identifier>ISSN: 1976-1902</identifier><identifier>EISSN: 1976-7846</identifier><identifier>DOI: 10.31616/asj.2022.0034</identifier><identifier>PMID: 35527531</identifier><language>eng</language><publisher>Korea (South): Korean Society of Spine Surgery</publisher><subject>Clinical Study ; computed tomography ; indian population ; s2 alar iliac screw ; safe trajectory ; 정형외과학</subject><ispartof>Asian Spine Journal, 2023, 17(1), , pp.130-137</ispartof><rights>Copyright © 2023 by Korean Society of Spine Surgery 2023</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4064-97acefb209e08a390489c1130cc5da87fa9a0cbb6e12acccdbf94b6c58ed8fd13</citedby><cites>FETCH-LOGICAL-c4064-97acefb209e08a390489c1130cc5da87fa9a0cbb6e12acccdbf94b6c58ed8fd13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9977994/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9977994/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,37013,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35527531$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002933576$$DAccess content in National Research Foundation of Korea (NRF)$$Hfree_for_read</backlink></links><search><creatorcontrib>Kaul, Rahul</creatorcontrib><creatorcontrib>Goswami, Bharat</creatorcontrib><creatorcontrib>Kumar, Khemendra</creatorcontrib><creatorcontrib>Jeyaraman, Madhan</creatorcontrib><creatorcontrib>Sangondimath, Gururaj</creatorcontrib><creatorcontrib>Chhabra, H S</creatorcontrib><title>A Computed Tomography-Based Assessment of the Anatomical Parameters Concerning S2-Alar Iliac Screw Insertion Using "Safe Trajectory Method" in Indian Population</title><title>Asian spine journal</title><addtitle>Asian Spine J</addtitle><description>A retrospective computed tomography (CT)-based radiological analysis.
To obtain CT-based morphometric data for the S2 alar iliac (S2AI) screw in the Indian population presenting to School of Medical Sciences and Research, Greater Noida, we used the concept of "safe trajectory" by Pontes and his colleagues in a recent study.
Although previous CT-based morphometric studies on the S2AI screw have been published for a variety of ethnic groups, morphometric data specifically for the Indian population are scarce.
We used the three-dimensional multiplanar reformatting software to conduct a retrospective CT analysis of 112 consecutive patients who met our exclusion criteria for various abdominal and pelvic pathologies. CT imaging planes were rotated between the S1 and S2 foramen until they matched the ideal S2AI screw trajectory, which was represented by the longest and widest iliac osseous channel observed in the axial CT section. Following the concept of a safe trajectory, S2AI screw morphometric parameters were measured on both sides of the pelvis using corresponding axial and sagittal CT images.
In the sagittal and transverse planes on both sides of the pelvis, females had significantly higher screw trajectory angulation than males (p<0.001). On both sides of the pelvis, males had significantly greater iliac width, maximum screw trajectory length, and intrascrotal length than females (p<0.001). On both sides of the pelvis, the S2AI screw entry point in females was significantly deeper than in males from the skin margin (p<0.001).
Based on our methodology, we discovered that the S2AI screw trajectory is significantly more caudal and lateral in females, the maximum screw length is sufficient for use in clinical practice regardless of gender, and that 8.5 mm or even larger screw diameters are feasible in the majority of the Indian population.</description><subject>Clinical Study</subject><subject>computed tomography</subject><subject>indian population</subject><subject>s2 alar iliac screw</subject><subject>safe trajectory</subject><subject>정형외과학</subject><issn>1976-1902</issn><issn>1976-7846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpVkkuP0zAUhSMEYkbDbFkia1YIKcWvOPEGqVQ8Kg1iRDtr68a5adNJ7GKnoP4bfirugxHjzbWuv3N8bZ0se83oRDDF1HuImwmnnE8oFfJZdsl0qfKykur5ec805RfZdYwbmpbgldTiZXYhioKXhWCX2Z8pmflhuxuxIUs_-FWA7Xqff4SYGtMYMcYB3Uh8S8Y1kqmD0Q-dhZ7cQYABRwwxOTiLwXVuRRY8n_YQyLzvwJKFDfibzF3EMHbekft4YG4W0CJZBtigHX3Yk284rn1zQzqX2KYDR-78dtfDQfMqe9FCH_H6XK-y-8-flrOv-e33L_PZ9Da3kiqZ6xIstjWnGmkFQlNZacuYoNYWDVRlCxqorWuFjIO1tqlbLWtliwqbqm2YuMrenXxdaM2D7YyH7lhX3jwEM_2xnBtGWaVVdYDnJ7jxsDHb0A0Q9kfFseHDykB6se3RNJYL2wpVoSglNrQupbYtyhrLggtWJq8PJ6_trh6wsem3A_RPTJ-euG6dhvpltC5LrWUyeHs2CP7nDuNohi5a7Htw6HfRcKWYrGShVEInJ9QGH2PA9vEaRs0xUiZFyhwiZQ6RSoI3_w_3iP8LkPgL9_bKEw</recordid><startdate>202302</startdate><enddate>202302</enddate><creator>Kaul, Rahul</creator><creator>Goswami, Bharat</creator><creator>Kumar, Khemendra</creator><creator>Jeyaraman, Madhan</creator><creator>Sangondimath, Gururaj</creator><creator>Chhabra, H S</creator><general>Korean Society of Spine Surgery</general><general>Korean Spine Society</general><general>대한척추외과학회</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><scope>ACYCR</scope></search><sort><creationdate>202302</creationdate><title>A Computed Tomography-Based Assessment of the Anatomical Parameters Concerning S2-Alar Iliac Screw Insertion Using "Safe Trajectory Method" in Indian Population</title><author>Kaul, Rahul ; Goswami, Bharat ; Kumar, Khemendra ; Jeyaraman, Madhan ; Sangondimath, Gururaj ; Chhabra, H S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4064-97acefb209e08a390489c1130cc5da87fa9a0cbb6e12acccdbf94b6c58ed8fd13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Clinical Study</topic><topic>computed tomography</topic><topic>indian population</topic><topic>s2 alar iliac screw</topic><topic>safe trajectory</topic><topic>정형외과학</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kaul, Rahul</creatorcontrib><creatorcontrib>Goswami, Bharat</creatorcontrib><creatorcontrib>Kumar, Khemendra</creatorcontrib><creatorcontrib>Jeyaraman, Madhan</creatorcontrib><creatorcontrib>Sangondimath, Gururaj</creatorcontrib><creatorcontrib>Chhabra, H S</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><collection>Korean Citation Index (Open Access)</collection><jtitle>Asian spine journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kaul, Rahul</au><au>Goswami, Bharat</au><au>Kumar, Khemendra</au><au>Jeyaraman, Madhan</au><au>Sangondimath, Gururaj</au><au>Chhabra, H S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Computed Tomography-Based Assessment of the Anatomical Parameters Concerning S2-Alar Iliac Screw Insertion Using "Safe Trajectory Method" in Indian Population</atitle><jtitle>Asian spine journal</jtitle><addtitle>Asian Spine J</addtitle><date>2023-02</date><risdate>2023</risdate><volume>17</volume><issue>1</issue><spage>130</spage><epage>137</epage><pages>130-137</pages><issn>1976-1902</issn><eissn>1976-7846</eissn><abstract>A retrospective computed tomography (CT)-based radiological analysis.
To obtain CT-based morphometric data for the S2 alar iliac (S2AI) screw in the Indian population presenting to School of Medical Sciences and Research, Greater Noida, we used the concept of "safe trajectory" by Pontes and his colleagues in a recent study.
Although previous CT-based morphometric studies on the S2AI screw have been published for a variety of ethnic groups, morphometric data specifically for the Indian population are scarce.
We used the three-dimensional multiplanar reformatting software to conduct a retrospective CT analysis of 112 consecutive patients who met our exclusion criteria for various abdominal and pelvic pathologies. CT imaging planes were rotated between the S1 and S2 foramen until they matched the ideal S2AI screw trajectory, which was represented by the longest and widest iliac osseous channel observed in the axial CT section. Following the concept of a safe trajectory, S2AI screw morphometric parameters were measured on both sides of the pelvis using corresponding axial and sagittal CT images.
In the sagittal and transverse planes on both sides of the pelvis, females had significantly higher screw trajectory angulation than males (p<0.001). On both sides of the pelvis, males had significantly greater iliac width, maximum screw trajectory length, and intrascrotal length than females (p<0.001). On both sides of the pelvis, the S2AI screw entry point in females was significantly deeper than in males from the skin margin (p<0.001).
Based on our methodology, we discovered that the S2AI screw trajectory is significantly more caudal and lateral in females, the maximum screw length is sufficient for use in clinical practice regardless of gender, and that 8.5 mm or even larger screw diameters are feasible in the majority of the Indian population.</abstract><cop>Korea (South)</cop><pub>Korean Society of Spine Surgery</pub><pmid>35527531</pmid><doi>10.31616/asj.2022.0034</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Asian Spine Journal, 2023, 17(1), , pp.130-137 |
| issn | 1976-1902 1976-7846 |
| language | eng |
| recordid | cdi_nrf_kci_oai_kci_go_kr_ARTI_10189681 |
| source | Publicly Available Content (ProQuest); PubMed Central |
| subjects | Clinical Study computed tomography indian population s2 alar iliac screw safe trajectory 정형외과학 |
| title | A Computed Tomography-Based Assessment of the Anatomical Parameters Concerning S2-Alar Iliac Screw Insertion Using "Safe Trajectory Method" in Indian Population |
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