{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T21:12:38Z","timestamp":1790197958877,"version":"4.1.0"},"reference-count":9,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2001,1,1]],"date-time":"2001-01-01T00:00:00Z","timestamp":978307200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2001,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Several studies have reported the feasibility of using \u2018needlescopic\u2019 instruments with a diameter less than 3 mm in minimally invasive surgery. This study reports a comparison of needlescopic cholecystectomy and laparoscopic cholecystectomy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Seventy-five patients with symptomatic chronic cholelithiasis were randomized to needlescopic (n = 37) or laparoscopic (n = 38) cholecystectomy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>The duration of surgery in the two groups was similar. Patients in the needlescopic group had less pain (mean visual analogue score 2\u00b72 versus 3\u00b76; P &amp;lt; 0\u00b7003) and had smaller scars (median length 17\u00b70 versus 25\u00b70 mm; P &amp;lt; 0\u00b7001). In addition, patients in the needlescopic group tended to require fewer intramuscular pethidine injections (P = 0\u00b705). However, oral analgesic requirements in the two groups were similar. There were no complications in either group.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Needlescopic cholecystectomy resulted in less postoperative pain and a smaller surgical scar than laparoscopic cholecystectomy in patients with chronic cholecystitis.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1046\/j.1365-2168.2001.01636.x","type":"journal-article","created":{"date-parts":[[2003,3,11]],"date-time":"2003-03-11T07:18:48Z","timestamp":1047367128000},"page":"45-47","source":"Crossref","is-referenced-by-count":77,"title":["Randomized trial of needlescopic <i>versus<\/i> laparoscopic cholecystectomy"],"prefix":"10.1093","volume":"88","author":[{"given":"W K","family":"Cheah","sequence":"first","affiliation":[{"name":"Minimally Invasive Surgical Centre, Department of Surgery, National University Hospital , 5 Lower Kent Ridge Road, 119074","place":["Singapore"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J E","family":"Lenzi","sequence":"additional","affiliation":[{"name":"Minimally Invasive Surgical Centre, Department of Surgery, National University Hospital , 5 Lower Kent Ridge Road, 119074","place":["Singapore"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J B Y","family":"So","sequence":"additional","affiliation":[{"name":"Minimally Invasive Surgical Centre, Department of Surgery, National University Hospital , 5 Lower Kent Ridge Road, 119074","place":["Singapore"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C K","family":"Kum","sequence":"additional","affiliation":[{"name":"Minimally Invasive Surgical Centre, Department of Surgery, National University Hospital , 5 Lower Kent Ridge Road, 119074","place":["Singapore"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P M Y","family":"Goh","sequence":"additional","affiliation":[{"name":"Minimally Invasive Surgical Centre, Department of Surgery, National University Hospital , 5 Lower Kent Ridge Road, 119074","place":["Singapore"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2001,1,1]]},"reference":[{"key":"2024093005314010100_bib1","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1097\/00000658-199001000-00010","article-title":"Coelioscopic cholecystectomy. 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