Publications by authors named "Horiuchi Kazutaka"

A 73-year-old man diagnosed with moderate aortic insufficiency and dilatation of the aortic root and ascending aorta underwent a modified Bentall procedure and hemi-arch aortic replacement. During open distal anastomosis of the ascending aorta, the surgical needle was lost. Because of circulatory arrest, the operation was continued; before closing the chest, radiography and a transesophageal echo were located in the needle in the descending aorta.

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 Mitral annular calcification (MAC) associated with Marfan syndrome is rare in comparison with that frequently found in elderlies with valvular disease.  A 17-year-old woman with Marfan syndrome underwent mitral valve replacement for severe mitral regurgitation. Preoperative examination showed mitral valve prolapse and a dense C -shaped MAC.

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An 83-year-old woman was injured in a traffic accident. Enhanced computed tomography (CT) showed aortic injury on the isthmus, Stanford type A aortic dissection and intracranial hemorrhage. Neurological deficit was not noted.

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An 80-year-old man had high serum immunoglobulin G4 (IgG4) concentration and fibrous thickening of the soft tissue mass surrounding the region from the abdominal aorta to the bilateral iliac arteries, suggestive of IgG4-related periaortitis. He presented to our emergency department with sudden-onset abdominal pain and lumbago. Computed tomography revealed a ruptured abdominal aorta.

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The patient was 72-year-old man, who had old myocardial infarction, diabetes mellitus, dyslipidemia, hypertension and chronic obstructive pulmonary disease. He was complicated with congestive heart failure, and multi-vessel coronary artery disease and moderate aortic valve stenosis and regurgitation were diagnosed. We performed coronary artery bypass grafting(CABG) and aortic valve replacement.

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For the treatment of Parkinson's disease, deep brain stimulation( DBS) devices are implanted for the control of motor symptoms including tremor. We performed cardiac surgery in 2 patients with Parkinson's disease who were using DBS devices. Coronary artery bypass was performed in one patient, and closure of ventricular septal perforation after acute myocardial infarction was performed in the other.

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The descending aortic coarctation is often difficult to anatomically reconstruct. We report two cases of ascending aorta to abdominal aorta bypass without laparotomy or thoracotomy. This approach enabled us to avoid anastomosis close to the inflammatory lesion and left thoracotomy causing bleeding from the collateral vessels, and to allow concomitant cardiac procedures to be performed.

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Objective: To investigate whether metabolic syndrome is a risk factor for overactive bladder (OAB) defined by the Overactive Bladder Symptom Score (OABSS).

Methods: A digital rectal examination of the prostate and an OABSS questionnaire were conducted in 1031 men who visited our hospital for metabolic screening from April 2009 to March 2010. The OABSS includes scores for daytime frequency, nighttime frequency, urgency, and urgency incontinence.

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Although recent progress in emergency surgery has resulted in an increase in the indication for older patients with acute type A aortic dissection (AAD), some patients remain who cannot undergo surgical treatment and little is known about the prognosis of patients with AAD who receive medical treatment, especially in elderly patients. Of the 82 patients with AAD who were admitted to our institution, 48 received medical therapy only. We retrospectively reviewed their clinical data and analyzed the prognostic value of the clinical characteristics in both younger and older patients.

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Objectives: To investigate whether the metabolic syndrome is a risk factor for lower urinary tract symptoms (LUTS), as defined by the International Prostate Symptom Score (IPSS).

Methods: A total of 900 men underwent digital rectal examination of the prostate and completed an IPSS questionnaire. These men had visited our hospital for metabolic screening from April 2008 to March 2009.

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Objective: An antispasmodic agent and a medicine that facilitates stone expulsion are given commonly as conservative therapy for ureteral stones in Japan. The goal of this study was to compare the efficacy of the addition of various α(1)-blockers to the conservative therapy for spontaneous passage of ureteral stones.

Material And Methods: The subjects were 132 patients with stones from the upper to the lower ureter who were randomly placed into one of four groups and followed for 1 month to assess spontaneous passage of stones.

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A primitive neuroectodermal tumor (PNET) is a small round cell tumor that arises from the nerve crest. This tumor usually occurs in the central nervous system or soft tissue, but it can occur in the kidney in rare cases. Herein we report a case with severe multiple liver metastases after surgery for right renal PNET.

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A 46-year-old man was transferred to our hospital because of a bladder mass. The mass could not be distinguished from a primary bladder tumor or a tumor invading from another organ with computed tomography, magnetic resonance, or cystoscopic examination. Transurethral resection of the mass was performed, and the pathological diagnosis was typical cystitis glandularis.

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A 71-year-old woman visited our hospital for routine follow-up cystoscopy and urine cytologic examination. During the preceding 3 years she had undergone left nephroureterectomy for a tumor of the left renal pelvis and had undergone transurethral resection three times for tumors of the urinary bladder and urethra. A small flare region on the posterior wall of the bladder was found with regular cystoscopy, and urine cytologic examination was positive for malignant cells.

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Background: Surgery for acute type B aortic dissection is associated with significant mortality and morbidity. The purpose of this study was to assess the clinical outcome of surgical management of complicated acute type B aortic dissection.

Methods: During the last 5 years, 112 patients were admitted for acute type B aortic dissection.

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A 38-year-old man was referred to our hospital with perineal and micturition pain. Transrectal ultrasound (TRUS) revealed a cystic mass in the outer prostate. Pelvic cyst and left renal agenesis were confirmed by magnetic resonance imaging (MRI) and computerized tomography (CT), and we diagnosed seminal vesicle cyst.

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Transurethral resection of the prostate (TUR-P) has been established as the golden standard for the treatment of urinary retention in patients with benign prostatic hyperplasia (BPH). However, TUR-P is not performed on patients with certain high-risk complications. We have obtained favorable results using urethral stent (Angiomed-Memotherm) implantation to treat high-risk urinary retention patients.

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Introduction: No established technique for locating solitary carcinoma in situ (CIS) of the urinary bladder or CIS accompanying bladder cancer has been determined. Here we investigated whether the location of CIS of the urinary bladder can be macroscopically ascertained by instilling pirarubicin hydrochloride (THP) into the urinary bladder.

Patients And Methods: We dissolved 50 mg of THP in 50 ml of distilled water, and instilled the resulting solution into the urinary bladder.

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We report on a new ultrasonic cystofiberscope for staging bladder tumors. The endoscope makes it possible to view endoscopic and ultrasound images of bladder tumors at any location, either alternately in full screen or simultaneously on the same monitor, with higher resolution. The cystofiberscope is useful for assessing the depth of bladder tumor invasion accurately.

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The purpose of this study was to identify the layers of the bladder wall on high-frequency endoluminal ultrasonography (ELUS). We performed a needle puncture experiment using five normal pig bladders. The histologic layer structure was compared with the ELUS images obtained using a 30-MHz miniature transducer.

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We report four patients on maintenance hemodialysis (HD) with transitional cell carcinoma (TCC) of the bladder. Three patients underwent transurethral resection (TUR) of their tumors, which were grade 2 or 3, stage pT1 TCC. Among them, one patient underwent repeat TUR for recurrent superficial TCC.

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Background: We carried out this study to clarify whether the operative methods of laparoscopic prostatectomy established in France could become standard therapy. The purpose was to evaluate the technical feasibility, oncological efficacy, and intraoperative and postoperative morbidity of laparoscopic prostatectomy performed by a general urologist.

Methods: Between June 2000 and August 2002, 30 patients with clinically localized prostate cancer underwent laparoscopic radical prostatectomy performed as previously reported by Guillonneau and colleagues.

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