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RISS 인기검색어
- 검색키워드
- 저자 : Shuntaro Yoshida (검색결과 3 건)
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Risk Factors for Prolonged Hospital Stay after Endoscopy
Toshihiro Nishizawa,Shuntaro Yoshida,Osamu Toyoshima,Tatsuya Matsuno,Masataka Irokawa,Toru Arano,Hirotoshi Ebinuma,Hidekazu Suzuki,Takanori Kanai,Kazuhiko Koike 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.6
Background/Aims: The recovery room used after endoscopy has limited capacity, and an efficient flow of the endoscopy unitis desired. We investigated the duration of hospital stay after endoscopy and the risk factors for prolonged hospital stay amongoutpatients. Methods: We retrospectively studied consecutive patients who underwent esophagogastroduodenoscopy or colonoscopy at theToyoshima Endoscopy Clinic. We collected data on age, sex, body weight, midazolam and pethidine dosage, respiratory depressionduring endoscopy, and duration of hospital stay after endoscopy (scope out to check out). Risk factors for prolonged hospital stay (>100minutes) were identified using multiple logistic regression analysis. Results: We enrolled 3,898 patients, including 3,517 (90.2%) patients tested under sedation and 381 (9.8%) patients tested withoutsedation. Overall, 442 (11.3%) patients had prolonged stay (>100 min). The mean time difference between sedation group and nonsedationgroup was 44.2 minutes for esophagogastroduodenoscopy and 39.1 minutes for colonoscopy. Age (odds ratio [OR], 1.025;95% confidence interval [CI], 1.014−1.036), female sex (OR, 1.657; 95% CI, 1.220−2.249), and midazolam dose (OR, 1.019; 95% CI,1.013−1.026) were independently associated with prolonged hospital stay after esophagogastroduodenoscopy, with similar results forcolonoscopy. Conclusions: Old age, female sex, and midazolam dose were independent risk factors for prolonged hospital stay after endoscopy.
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( Naminatsu Takahara ),( Hiroyuki Isayama ),( Yousuke Nakai ),( Shuntaro Yoshida ),( Tomotaka Saito ),( Suguru Mizuno ),( Hiroshi Yagioka ),( Hirofumi Kogure ),( Osamu Togawa ),( Saburo Matsubara ),( 대한간학회 2017 Gut and Liver Vol.11 No.4
Background/Aims: Endoscopic placement of self-expandable metal stents (SEMSs) has emerged as a palliative treatment for malignant gastric outlet obstruction (GOO). Although covered SEMSs can prevent tumor ingrowth, frequent migration of covered SEMSs may offset their advantages in preventing tumor ingrowth. Methods: We conducted this multicenter, single-arm, retrospective study at six tertiary referral centers to evaluate the safety and efficacy of a partially covered SEMS with an uncovered large-bore flare at the proximal end as an antimigration system in 41 patients with symptomatic malignant GOO. The primary outcome was clinical success, and the secondary outcomes were technical success, stent dysfunction, adverse events, and survival after stent placement. Results: The technical and clinical success rates were 100% and 95%, respectively. Stent dysfunctions occurred in 17 patients (41%), including stent migration in nine (23%), tumor ingrowth in one (2%), and tumor overgrowth in four (10%). Two patients (5%) developed adverse events: one pancreatitis and one perforation. No procedurerelated death was observed. Conclusions: A novel partially covered SEMS with a large-bore flare proximal end was safe and effective for malignant GOO but failed to prevent stent migration. Further research is warranted to develop a covered SEMS with an optimal antimigration system. (Gut Liver 2017;11:481-488)
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Wataru Yamagata,Toshio Fujisawa,Takashi Sasaki,Rei Ishibashi,Tomotaka Saito,Shuntaro Yoshida,Shizuka No,Kouta Inoue,Yousuke Nakai,Naoki Sasahira,Hiroyuki Isayama 대한소화기내시경학회 2023 Clinical Endoscopy Vol.56 No.5
Background/Aims: Mechanical properties (MPs) and axial and radial force (AF and RF) may influence the efficacy and complicationsof self-expandable metallic stent (SEMS) placement. We measured the MPs of various SEMSs and examined their influence on theSEMS clinical ability. Methods: We evaluated the MPs of 29 types of 10-mm SEMSs. RF was measured using a conventional measurement device. AF wasmeasured using the conventional and new methods, and the correlation between the methods was evaluated. Results: A high correlation in AFs was observed, as measured by the new and conventional manual methods. AF and RF scatterplotsdivided the SEMSs into three subgroups according to structure: hook-and-cross-type (low AF and RF), cross-type (high AF and lowRF), and laser-cut-type (intermediate AF and high RF). The hook-and-cross-type had the largest axial force zero border (>20°), followedby the laser-cut and cross types. Conclusions: MPs were related to stent structure. Hook-and-cross-type SEMSs had a low AF and high axial force zero border and wereconsidered safest because they caused minimal stress on the biliary wall. However, the increase in RF must be overcome.
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