1.Totally Endoscopic Pulmonary Valve Surgery
Takeshi WADA ; Hidenori SAKO ; Kenya KIZU ; Ryotaro NAGASHIMA ; Tetsushi TAKAYAMA ; Shinji MIYAMOTO
Japanese Journal of Cardiovascular Surgery 2023;52(1):34-36
Introduction: To date, totally 3D-endoscopy has primarily been employed in mitral, tricuspid, and aortic valve surgeries. Herein, we describe the first case of a pulmonary valve surgery using totally 3D-endoscopy. To the best of our knowledge, this is the first case of a totally endoscopic pulmonary valve surgery. Case report: A 56-year-old woman was provisionally diagnosed with a tumor arising from the left cusp of the pulmonary valve. Totally 3D-endoscopy was planned for tumor resection. The patient was placed in a modified right lateral decubitus position and underwent mild hypothermic cardiopulmonary bypass using the left femoral artery, right jugular vein, and right femoral vein. An on-pump beating-heart technique was used during this surgery. Trocars for the 3D-endoscopic system and surgical instruments were inserted through the third and fourth intercostal spaces. Upon incision of the pulmonary artery, the suspected tumor was revealed to be a hyperplastic left pulmonary cusp; therefore surgical resection was abandoned. The patient was discharged without any complications. Conclusion: This case demonstrates that a totally 3D-endoscopic approach may provide optimal views of the pulmonary valve. Moreover, this procedure would be a novelty in MICS.
2.Association of Continuous Vertebral Bone Bridges and Bone Mineral Density with the Fracture Risk in Patients with Diffuse Idiopathic Skeletal Hyperostosis
Mitsuru FURUKAWA ; Mitsuru FURUKAWA ; Kunimasa OKUYAMA ; Kunimasa OKUYAMA ; Ken NINOMIYA ; Ken NINOMIYA ; Yoshiyuki YATO ; Yoshiyuki YATO ; Takeshi MIYAMOTO ; Takeshi MIYAMOTO ; Masaya NAKAMURA ; Masaya NAKAMURA ; Morio MATSUMOTO ; Morio MATSUMOTO
Asian Spine Journal 2022;16(1):75-81
Methods:
We examined the computed tomography scans from the thoracic vertebra to the sacrum used to diagnose DISH in 140 patients (98 men and 42 women; average age, 78.6 years). We compared patients who did (n=52) and did not have (n=88) fractures at the continuous vertebral bodies fused by bone bridges. The relationship between the vertebral fractures and the maximum number of vertebrae that are bony cross-linked with contiguous adjacent vertebrae (max VB) from the thoracic vertebra to the sacrum or from the lumbar vertebra to the sacrum and proximal femur BMD were analyzed using a logistic regression model.
Results:
We found that after adjusting for the confounding factors, higher max VB, both from the thoracic vertebrae to the sacrum and the lumbar vertebrae to the sacrum, was associated with a higher risk of vertebral fractures. This difference was statistically significant. The risk was higher when only the lumbar vertebrae to the sacrum was considered (thoracic vertebrae to the sacrum: odds ratio, 1.21; p<0.05; lumbar vertebrae to the sacrum: odds ratio, 2.78; p<0.01). Moreover, low proximal femur BMD in DISH patients raises the fracture risk (odds ratio, 0.47; p<0.01).
Conclusions
Many continuous vertebral bone bridges, especially those that extend to the lumbar spine and low proximal femur BMD, are risk factors for fracture in DISH patients.
3.Safety and Recipient Satisfaction of Propofol Sedation in Outpatient Endoscopy: A 24-Hour Prospective Investigation Using a Questionnaire Survey
Yoshihide KANNO ; Tetsuya OHIRA ; Yoshihiro HARADA ; Shinsuke KOSHITA ; Takahisa OGAWA ; Hiroaki KUSUNOSE ; Yoshiki KOIKE ; Taku YAMAGATA ; Toshitaka SAKAI ; Kaori MASU ; Keisuke YONAMINE ; Kazuaki MIYAMOTO ; Megumi TANAKA ; Tomohiro SHIMADA ; Fumisato KOZAKAI ; Kazuki ENDO ; Haruka OKANO ; Daichi KOMABAYASHI ; Takeshi SHIMIZU ; Shohei SUZUKI ; Kei ITO
Clinical Endoscopy 2021;54(3):340-347
Background/Aims:
The aim of this study was to evaluate the safety of sedation with propofol as an alternative to benzodiazepine drugs in outpatient endoscopy.
Methods:
In this prospective study, examinees who underwent outpatient endoscopy under propofol sedation and submitted a nextday questionnaire with providing informed consent were evaluated. Periprocedural acute responses, late adverse events within 24 hours, and examinee satisfaction were evaluated.
Results:
Among the 4,122 patients who received propofol in the 17,978 outpatient-based endoscopic examinations performed between November 2016 and March 2018, 2,305 eligible examinees (esophagogastroduodenoscopy for 1,340, endoscopic ultrasonography for 945, and total colonoscopy for 20) were enrolled, and their responses to a questionnaire were analyzed. The mean propofol dose was 69.6±24.4 mg (range, 20–200 mg). Diazepam, midazolam, and/or pentazocine in combination with propofol was administered to 146 examinees. Mild oxygen desaturation was observed in 59 examinees (2.6%); and mild bradycardia, in 2 (0.09%). Other severe reactions or late events did not occur. After eliminating 181 invalid responses, 97.7% (2,065/2,124) of the patients desired propofol sedation in future examinations.
Conclusions
Propofol sedation was found to be safe—without severe adverse events or accidents—for outpatient endoscopy on the basis of the patients’ next-day self-evaluation. Given the high satisfaction level, propofol sedation might be an ideal tool for painless endoscopic screening.
4.Safety and Recipient Satisfaction of Propofol Sedation in Outpatient Endoscopy: A 24-Hour Prospective Investigation Using a Questionnaire Survey
Yoshihide KANNO ; Tetsuya OHIRA ; Yoshihiro HARADA ; Shinsuke KOSHITA ; Takahisa OGAWA ; Hiroaki KUSUNOSE ; Yoshiki KOIKE ; Taku YAMAGATA ; Toshitaka SAKAI ; Kaori MASU ; Keisuke YONAMINE ; Kazuaki MIYAMOTO ; Megumi TANAKA ; Tomohiro SHIMADA ; Fumisato KOZAKAI ; Kazuki ENDO ; Haruka OKANO ; Daichi KOMABAYASHI ; Takeshi SHIMIZU ; Shohei SUZUKI ; Kei ITO
Clinical Endoscopy 2021;54(3):340-347
Background/Aims:
The aim of this study was to evaluate the safety of sedation with propofol as an alternative to benzodiazepine drugs in outpatient endoscopy.
Methods:
In this prospective study, examinees who underwent outpatient endoscopy under propofol sedation and submitted a nextday questionnaire with providing informed consent were evaluated. Periprocedural acute responses, late adverse events within 24 hours, and examinee satisfaction were evaluated.
Results:
Among the 4,122 patients who received propofol in the 17,978 outpatient-based endoscopic examinations performed between November 2016 and March 2018, 2,305 eligible examinees (esophagogastroduodenoscopy for 1,340, endoscopic ultrasonography for 945, and total colonoscopy for 20) were enrolled, and their responses to a questionnaire were analyzed. The mean propofol dose was 69.6±24.4 mg (range, 20–200 mg). Diazepam, midazolam, and/or pentazocine in combination with propofol was administered to 146 examinees. Mild oxygen desaturation was observed in 59 examinees (2.6%); and mild bradycardia, in 2 (0.09%). Other severe reactions or late events did not occur. After eliminating 181 invalid responses, 97.7% (2,065/2,124) of the patients desired propofol sedation in future examinations.
Conclusions
Propofol sedation was found to be safe—without severe adverse events or accidents—for outpatient endoscopy on the basis of the patients’ next-day self-evaluation. Given the high satisfaction level, propofol sedation might be an ideal tool for painless endoscopic screening.
5.Differences of body composition and physical strength among Japanese and Thai older adults living in Chiang Mai, Thailand: an inter-ethnic cross-sectional study.
Takeshi YODA ; Bumnet SAENGRUT ; Kensaku MIYAMOTO ; Rujee RATTANASATHIEN ; Tatsuya SAITO ; Yasuko ISHIMOTO ; Kanlaya CHUNJAI ; Rujirat PUDWAN ; Kawin SIRIMUENGMOON ; Hironobu KATSUYAMA
Environmental Health and Preventive Medicine 2021;26(1):97-97
BACKGROUND:
The number of adults aged over 65 years is rapidly increasing in several Southeast Asian countries. Muscle mass decreases with age, leading to sarcopenia. The primary objective of this study was to determine whether differences exist in the body composition and physical strength, according to ethnicity, among community-dwelling Japanese and Thai older adults living in Chiang Mai Province, Thailand.
METHODS:
A survey was conducted in February and March 2019. Japanese and Thai adults aged ≥ 60 years living in Chiang Mai Province were recruited through community clubs. Participants completed a self-administered questionnaire that enabled collection of data on age, sex, educational background, marital status, annual income, current medical conditions, smoking and alcohol consumption, and exercise habits. Measurements were collected on height, weight, body composition, blood pressure, hand grip, and walking speed for 6 m. Body composition was measured using a standing-posture 8-electrode multifrequency bioimpedance analysis analyzer. Hand grip of each hand was measured with the patient in the standing position using a digital grip dynamometer. Multivariable logistic regression was used to determine factors associated with skeletal muscle mass index (SMI).
RESULTS:
Of the total 119 participants, 47 were Japanese (26 men, 21 women) and 72 were Thai (16 men, 56 women). The prevalence of a low SMI was 3/26 (12%), 1/21 (5%), 6/16 (38%), and 5/56 (9%) among Japanese men, Japanese women, Thai men, and Thai women, respectively. The prevalence of low muscle strength was 2/26 (8%), 2/21 (10%), 3/16 (19%), and 13/56 (23%) among Japanese men, Japanese women, Thai men, and Thai women, respectively. There were significant differences between ethnic groups in body mass index for both sexes, percentage body fat in women, SMI in men, and average grip strength in men. Ethnic group, sex, age, and body mass index were independent predictors of SMI.
CONCLUSIONS
Ethnicity had a clinically important effect on body composition and physical strength among older Japanese and Thai adults living in a similar environment.
Aged
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Aging/physiology*
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Asians/ethnology*
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Body Composition
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Body Mass Index
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Cross-Sectional Studies
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Electric Impedance
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Ethnicity
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Female
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Hand Strength
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Humans
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Independent Living
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Male
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Middle Aged
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Muscle Strength
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Thailand/ethnology*
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Walking Speed
6.10-11 Having Residents under the COVID-19 Pandemic - Experiences in the Spring of 2020
Kayoko MATSUSHIMA ; Eriko OZONO ; Yusuke MATSUZAKA ; Syoko ASHIZUKA ; Noriko SHIGETOMI ; Toshimasa SHIMIZU ; Masafumi HARAGUCHI ; Takeshi WATANABE ; Takashi MIYAMOTO ; Hayato TAKAYAMA ; Kenichi KANEKO ; Yuji KOIDE ; Atsuko NAGATANI ; Hisayuki HAMADA
Medical Education 2020;51(3):331-333
8.An association study of the single-nucleotide polymorphism c190C>T (Arg64Cys) in the human testis-specific histone variant, H3t, of Japanese patients with Sertoli cell-only syndrome.
Toshinobu MIYAMOTO ; Masashi IIJIMA ; Takeshi SHIN ; Gaku MINASE ; Hiroto UEDA ; Yasuaki SAIJO ; Hiroshi OKADA ; Kazuo SENGOKU
Asian Journal of Andrology 2018;20(5):527-528
9.A Surgery Case of Heparin-Induced Thrombocytopenia as a Complication of Ventricular Septal Perforation after Acute Myocardial Infarction
Yuki Yoshioka ; Ryusuke Suzuki ; Tomoya Miyamoto ; Kenta Uekihara ; Takeshi Sakaguchi ; Mai Matsukawa ; Ryo Hirayama ; Masamichi Nakajima
Japanese Journal of Cardiovascular Surgery 2017;46(6):305-310
A 66-year-old man with an unknown medical history developed chest pain and a diagnosis of acute myocardial infarction (AMI) was given by his physician. Percutaneous coronary intervention was performed in the left anterior descending artery. Echocardiography revealed ventricular septal perforation (VSP) ; therefore, the patient was transferred to our hospital. After admission, his platelet count dropped rapidly during heparin administration, and left ventricular thrombosis and deep vein thrombosis were noted, raising a suspicion of heparin-induced thrombocytopenia (HIT). To establish cardiopulmonary bypass, argatroban alone was insufficient to prolong the Powered by Editorial Manager® and ProduXion Manager® from the Aries Systems Corporation activated clotting time (ACT) ; thus, nafamostat mesilate was also used for coronary artery bypass grafting and surgical repair of VSP. It took many hours to normalize the ACT, requiring re-exploration for excessive bleeding. On the 37th postoperative day, the patient was transferred to another hospital. We performed cardiac surgical procedures using argatroban in a patient who developed HIT during the course of VSP following AMI ; however, we had difficulty in controlling the ACT. Since, to the best of our knowledge, there are no previous studies reporting surgical case of VSP complicated by HIT, we present this case with a review of the relevant literature.
10.Efforts for Perioperative Care in Children with Congenital Heart Defects
Yuki Tanaka ; Takashi Miyamoto ; Shuichi Yoshitake ; Takeshi Yoshii ; Yuji Naito
Japanese Journal of Cardiovascular Surgery 2015;44(1):1-7
Background : Perioperative care in congenital heart surgery has evolved in recent years, and it was considered a contributive factor to improve surgical outcome and prognosis. Objective : To extract perioperative clinical protocols that have been applied in our hospital, then assess their usefulness for better clinical outcome. Methods : We retrospectively reviewed our patients' records to analyze representative perioperative protocols that might have contributed to surgical outcome, such as intraoperative transesophageal echocardiography (ITEE), extubation in the operating room on patients of atrial septal defect (ASD), ventricular septal defect (VSD), tetralogy of Fallot (TOF), Glenn procedure and Fontan procedure. We also assessed clinical pathway of ASD and VSD, and each protocol was individually explored to calculate achievement ratio in order to show its adequacy. Results : This study included 482 of on-pump surgery patients and 146 of off-pump surgery patients from June 2007 to June 2014. ITEE was performed in 474 of on-pump surgery patients and 102 of off-pump surgery patients. No case had a residual lesion immediately after operation. Extubation in the operating room was performed in cases without severe pulmonary hypertension (PH). The extubation ratio was 94.7% (ASD repair), 60.0% (VSD repair), 50.0% (TOF repair), 42.5% (Glenn procedure), and 45.2% (Fontan procedure), respectively. Clinical pathways of ASD and VSD included patients without severe PH. Achievement ratio of the clinical pathway was 98.2% in ASD and 94.2% in VSD patients, respectively. Four patients were excluded because of high c-reactive protein (CRP), and one patient because of familial circumstance. Conclusion : ITEE was useful in evaluation of cardiac function, residual issue and residual air at weaning of cardiopulmonary bypass. Reintubation did not occur in any clinical course of extubation in the operating room, but the extubation rate was not high because of safety concerns. Achievement ratio of the clinical pathways of both ASD and VSD was more than 90%, therefore, application of the clinical pathway was considered appropriate.


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