Publications by authors named "Arinobu Fukunaga"

11 Publications

  • Page 1 of 1

The use of hyperbaric oxygen to treat actinic rectal fistula after SpaceOAR use and radiotherapy for prostate cancer: a case report.

BMC Urol 2020 Dec 14;20(1):196. Epub 2020 Dec 14.

Department of Radiation Therapy, National Cancer Center Hospital, Tsukiji 5-1-1, Chuo-ku, Tokyo, Japan.

Background: In definitive radiation therapy for prostate cancer, the SpaceOAR® System, a hydrogel spacer, is widely used to decrease the irradiated dose and toxicity of rectum. On the other hand, periprostatic abscesses formation and rectal perforation are known as rare adverse effects of SpaceOAR. Nevertheless, there is a lack of reports clarifying the association between aggravation of abscesses and radiation therapy, and hyperbaric oxygen therapy (HBOT) is effective for a peri-SpaceOAR abscess and rectal perforation.

Case Presentation: We report a case of a 78-year-old high-risk prostate cancer patient. After SpaceOAR insertion into the correct space, he started to receive external beam radiation therapy (EBRT). He developed a fever, perineal pain and frequent urination after the completion of EBRT, and the magnetic resonance imaging (MRI) revealed a peri-SpaceOAR abscess. Scheduled brachytherapy was postponed, administration of antibiotics and opioid via intravenous drip was commenced, and transperineal drainage was performed. After the alleviation of the abscess, additional EBRT instead of brachytherapy was performed with MRI-guided radiation therapy (MRgRT). On the last day of the MRgRT, perineal pain reoccurred, and MRI and colonoscopy detected the rectal perforation. He received an intravenous antibiotics drip and HBOT, and fully recovered from the rectal perforation.

Conclusions: Our report indicates that EBRT can lead to a severe rectum complication by causing inflammation for patients with a peri-SpaceOAR abscess. Furthermore, HBOT was effective for the peri-SpaceOAR abscess and rectal perforation associated with EBRT.
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http://dx.doi.org/10.1186/s12894-020-00767-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7737272PMC
December 2020

Medical history of nocturnal enuresis during school age is an independent risk factor for nocturia in adults: The Nagahama study.

Neurourol Urodyn 2021 01 29;40(1):326-333. Epub 2020 Oct 29.

Department of Urology, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Aim: To evaluate the relationship between nocturia and medical history of nocturnal enuresis: two conditions where diurnal urination rhythm is disturbed.

Methods: The Nagahama study is a longitudinal population-based health survey involving people aged 30-75 years in Nagahama city, Japan. Our analysis included 5,402 participants who completed enuresis and International Prostate Symptom Score questionnaires. Associations between nocturnal enuresis and nocturia were evaluated cross-sectionally and longitudinally with three models: (1) univariate analysis; (2) adjusted for basic characteristics (e.g., age, sex, body mass index, activity, alcohol, and smoking); and (3) adjusted for basic and clinical variables (e.g., hyperglycemia, hyperlipidemia, hypertension, renal insufficiency, insomnia, obstructive sleep apnea, and mental health).

Results: In total, 1,613 participants (29.9%) had a medical history of enuresis. The mean night-time frequency was 0.73 at baseline and 0.85 at the 5-year follow-up. The cross-sectional analysis showed participants with a medical history of enuresis had night-time frequency more often than those without this history (0.84 vs. 0.68, p < .0001). Significant differences were observed in Models 2 (p < .0001) and 3 (p < .0001). The longitudinal analysis showed nocturia progression was significantly related to a history of enuresis, with odds ratios of 1.32 (p < .0001) in Model 1, 1.21 (p < .01) in Model 2, and 1.22 (p < .01) in Model 3.

Conclusions: Medical history of enuresis during school age was significantly related to nocturia in adulthood in the cross-sectional analysis, and to progression to nocturia in the longitudinal analysis. These two conditions may possess a common causative association.
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http://dx.doi.org/10.1002/nau.24562DOI Listing
January 2021

[A Case of Renal Oncocytosis with Bilateral Multiple Renal Masses].

Hinyokika Kiyo 2019 Apr;65(4):111-116

The Department of Pathology, Kobe City Medical Center General Hospital.

A 63-year-old man with microscopic hematuria underwent contrast-enhanced CT, which showed multiple bilateral renal masses. Percutaneous biopsy results indicated renal oncocytosis. The tumors remained unchanged for 3 years. Renal oncocytosis is a very rare tumor, but it is an established disease entity characterized by numerous oncocytic tumors and diffuse (sporadic) renal parenchymal epithelial oncocytic changes on an analysis histopathology. Although renal oncocytosis can be sporadic or part of Birt-Hogg-Dube syndrome (BHDS), our case did not associate with BHDS because of absence of lung cyst.
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http://dx.doi.org/10.14989/ActaUrolJap_65_4_111DOI Listing
April 2019

Reply by Authors.

J Urol 2019 08 8;202(2):360-361. Epub 2019 Jul 8.

Department of Urology, Kyoto University Hospital , Kyoto , Japan.

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http://dx.doi.org/10.1097/01.JU.0000559826.09631.1dDOI Listing
August 2019

Sleep Disturbance Worsens Lower Urinary Tract Symptoms: The Nagahama Study.

J Urol 2019 08 8;202(2):354. Epub 2019 Jul 8.

Department of Urology, Kyoto University Hospital , Kyoto , Japan.

Purpose: Multiple factors are associated with lower urinary tract symptoms and sleep disturbance is well known to be associated with nocturia. The association between sleep disturbance and lower urinary tract symptoms has not been sufficiently elucidated. We evaluated the impact of sleep disturbance on lower urinary tract symptoms, especially voiding symptoms, in the Nagahama Study.

Materials And Methods: The Nagahama Study is a prospective cohort study of healthy individuals. Among them study participants 50 years old or older who completed the I-PSS (International Prostate Symptom Score) questionnaire and a sleep problem questionnaire were included in this analysis and followed for 5 years. Sleep disturbance was stratified into poor sleep quality, sleep restriction and sleep medication use. We analyzed the association between sleep disturbance and worsening of lower urinary tract symptoms adjusted by various clinical factors on multivariate logistic regression analysis.

Results: Among the 5,297 participants the prevalence of lower urinary tract symptoms at baseline was 23% and the prevalence rates of poor sleep quality, sleep restriction and sleep medication were 20%, 6% and 7%, respectively. Participants with poor sleep quality, sleep restriction or sleep medication use had a significantly greater incidence of lower urinary tract symptoms and voiding symptoms than those without such characteristics (p <0.01). Poor sleep quality and sleep medication use were significantly associated with worsening lower urinary tract symptoms as defined by an I-PSS score increase of 4 or greater (OR 1.23, p = 0.03, and 1.67, p <0.01), and with worsening voiding symptoms, defined as an increase of 3 or greater (OR 1.35, p <0.005, and 1.85, p <0.001, respectively).

Conclusions: Sleep disturbance was significantly associated with the presence of lower urinary tract symptoms in a cross-sectional manner and with worsening lower urinary tract symptoms longitudinally.
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http://dx.doi.org/10.1097/JU.0000000000000212DOI Listing
August 2019

[Initial Clinical Experience of Nivolumab for Metastatic Renal Cell Carcinoma].

Hinyokika Kiyo 2018 10;64(10):383-389

The Department of Urology, Kyoto University Hospital.

Nivolumab was approved as a new agent for advanced renal cell carcinoma (RCC) in Japan on September 2016. Nivolumab is an immune checkpoint inhibitor that activates the cytotoxic immune response and has exerted antitumor effects in a mechanism different from other available molecular targeted agents. Therefore, its response pattern, efficacy and adverse events are different from those of the molecular targeted agents for RCC. Here, we report our initial clinical experience with nivolumab. From December 2016 to September 2017, we applied nivolumab to 7 patients with metastatic RCC. The most common metastatic site was the lungs, followed by lymph nodes, bones and brain. According to the immune-related response criteria, the efficacy was stable disease in 2 patients and progressive disease in 5 patients. In 5 cases with multiple metastases, responses differed with the site of metastasis. The response was best in lung metastasis and worst in brain metastasis. Six cases had minor adverse events. In two cases, we discontinued administration of nivolumab temporarily. The patients recovered completely and we considered nivolumab effective and safe for treatment of metastatic RCC.
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http://dx.doi.org/10.14989/ActaUrolJap_64_10_383DOI Listing
October 2018

[Evaluation of Lymphoceles by CT Scan Early after Robot-Assisted Radical Prostatectomy].

Hinyokika Kiyo 2018 Jun;64(6):261-264

The Department of Urology, Kobe City Medical Center General Hospital.

We report the incidence and characteristics of lymphoceles after robot-assisted radical prostatectomy (RARP). Computed tomography was performed on 79 patients one month after RARP or when symptoms appeared. The lymphocele was defined as a cystic lesion over 10 mm in diameter. Symptomatic and asymptomatic lymphoceles were identified in 25% (20/79) of all cases, and in 40.9% (18/44) of the cases with lymph node dissection (LND). Symptomatic lymphoceles were identified in 2.5% (2/79) of all cases. Lymphoceles were significantly associated with LND, pathological stage over T3, longer period of indwelling drain tube,and higher volume fluid of drain tube (p<0.05). In conclusion, lymphoceles are quiet common after RARP. However, they rarely become symptomatic.
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http://dx.doi.org/10.14989/ActaUrolJap_64_6_261DOI Listing
June 2018

[A Case of Chromophobe Renal Cell Carcinoma Associated with Birt-Hogg-Dubé Syndrome].

Hinyokika Kiyo 2018 Mar;64(3):107-110

The Department of Urology, Kobe City Medical Center General Hospital.

A 61-year-old man with a left renal mass, which was detected by ultrasound during a routine health examination, was referred to our department. The patient had a surgical history of two pneumothorax operations, and the patient's brother also had a history of pneumothorax surgery. A case of Birt-Hogg-Dubé (BHD) syndrome was suspected based on patient history. The pathological diagnosis of the resected tumor, which used robot-assisted laparoscopic partial nephrectomy, was determined to be chromophobe renal cell carcinoma (grade 2, pT1a). BHD syndrome was confirmed by genetic testing, where a nonsense mutation of exon 9 in the FOLLICULIN (FLCN) gene was detected. The patient is currently alive 10 months after surgery.
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http://dx.doi.org/10.14989/ActaUrolJap_64_3_107DOI Listing
March 2018

[Clinical Study of HoLEP for the Patients with Benign Prostatic Hyperplasia who are on Oral Antithrombotics].

Hinyokika Kiyo 2017 Aug;63(8):307-311

The Department of Urology, Kobe City Medical Center General Hospital.

Recently, holmium laserenucleation of the prostate (HoLEP) was associated with less bleeding compared with transurethral resection of prostate. Since 2012, we have performed HoLEP for benign prostatic hyperplasia (BPH) under continuous oral antithrombotics (OA). Between October 2004 and March 2015, 54 patients with BPH underwent HoLEP while on OA at our hospital. Eight patients underwent HoLEP without OA cessation and 46 patients with temporary OA cessation. No significant between-group difference was observed in age, prostate volume, transitional zone prostate volume, operation time, resection weight, resection weight per minute, urethral catheter duration, Hb decrease on day 1 post- HoLEP, hospital stay after HoLEP, bleeding intraoperative rate, bleeding rate after HoLEP and transfusion rate. None presented embolic complications. HoLEP was safe without OA cessation. However, highvolume BPH patients without OA cessation required intraoperative transfusion. Thus, high-volume BPH patients may benefit from OA cessation.
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http://dx.doi.org/10.14989/ActaUrolJap_63_8_307DOI Listing
August 2017

[Risk Factors for Mortalityin Patients with Urosepsis].

Hinyokika Kiyo 2017 May;63(5):195-199

The Department of Urology, Kobe City Medical Center General Hospital.

Urosepsis is not uncommon and sometimes causes a critical condition including death. We retrospectivelyanaly zed the risk factors for mortalityin urosepsis. We treated 80 patients as urosepsis from 2010 to 2014 in our hospital. Five patients (6%) died within 30 days of hospitalization. The median age of the patients who died of urosepsis was 92 years (range, 83-95 years). The main causes of urosepsis were complicated pyelonephritis in 4 patients and emphysematous pyelonephritis in one. In the subgroup analysis of elderly patients over 75 years old, bad performance status and lower serum albumin were significantlyrelated to mortality(p =0.033, 0.046). The elderlypatients, especiallywith bad performance status and lower serum albumin, are more likelyto die.
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http://dx.doi.org/10.14989/ActaUrolJap_63_5_195DOI Listing
May 2017

[Two Cases of Oncocytic Papillary Renal Cell Carcinoma].

Hinyokika Kiyo 2016 Apr;62(4):187-91

The Department of Urology, Kobe City Medical Center General Hospital.

Oncocytic papillary renal cell carcinoma isa variant of papillary renal cell carcinoma (PRCC). We herein report two cases treated with retroperitoneoscopic partial nephrectomy. Histologically, tumor cells of both cases exhibit round and regular nuclei with CK7 positive areas in the cytoplasm typical of TYPE1 PRCC and eosinophilic granular cytoplasm with E-cadherin positive areas in the cytoplasmic membrane, which indicates TYPE2 PRCC. Out of 46 cases reported in the literature, only one died of disease, which reveals its low malignant potential.
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April 2016