1
|
Zhang Y, Zhang X, Qi P, Lu J, Yang M. Preoperative frailty tendency predicts delirium occurrence in older people undergoing spinal surgery. BMC Geriatr 2024; 24:856. [PMID: 39438819 PMCID: PMC11494756 DOI: 10.1186/s12877-024-05476-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 10/15/2024] [Indexed: 10/25/2024] Open
Abstract
BACKGROUND This prospective cohort study focused on the predictive value of frailty or pre-frailty assessed by Edmonton Frailty Scale (EFS) for postoperative delirium in spinal surgery patients. METHODS The primary outcome measurement was postoperative delirium (POD) evaluated by Confusion Assessment Method at day 1, day 2, and day 3 after the surgery. Secondary outcomes included severity and duration of POD, severe postoperative pain measured by Faces Pain Scale-Revised. Patients scheduled for elective spinal surgery were enrolled and assessed for frailty by EFS before surgery. Demographic data, preoperative, intraoperative, and postoperative information were collected. RESULTS 231 out of 325 patients were enrolled and analyzed in this study at last. The cohort with 36.8% being frail and 28.5% being vulnerable. Postoperative delirium was detected in 41 in 231 patients. Multivariate logistic regression analysis revealed that vulnerable to frailty (OR = 4.681, 95% CI: 1.199 to 18.271, P = 0.026), after adjusted duration of surgery more than 3 h, using flumazenil at the end of surgery, using butorphanol only in postoperative patient-controlled intravenous analgesia, moderate-to-severe pain at day 1 and 2, is a strong predictor of postoperative delirium. Frailty was associated with longer duration (frailty vs. fit, P = 0.364) and stronger severity of postoperative delirium in the first two days (P < 0.001). High EFS score was independent risk factor of severe postoperative pain (Frailty vs. Fit: OR = 5.007, 95% CI: 1.903 to 13.174, P = 0.001; Vulnerable vs. Fit: OR = 2.525, 95% CI: 1.008 to 6.329, P = 0.048). In stratified tests, Sufentanil regimen in intravenous PCA significantly increase the proportion of POD in vulnerable group (P = 0.030), instead of frailty group (P = 0.872) or fit group (P = 0.928). CONCLUSIONS Frailty can increase the risk, severity, duration of delirium and severe postoperative pain in the first 3 days after surgery of patients. TRIAL REGISTRATION The protocol of this study has been approved by the Ethic Committee of Shanghai Changzheng Hospital (Approval file number: 2022SL044) and informed consent was obtained from all the patients. The trial was retrospectively registered at chictr.org.cn (ChiCTR2300073306) on 6th July 2023.
Collapse
Affiliation(s)
- Yu Zhang
- No.91126 Military Hospital of Chinese PLA, Dalian City, 116041, China
| | - Xiaochen Zhang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Peng Qi
- Department of Anesthesiology, Handan Maternal and Child Health-Care Hospital, Handan, 056001, China
| | - Jinfang Lu
- Department of Anesthesiology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China
| | - Mei Yang
- Department of Anesthesiology, Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China.
| |
Collapse
|
2
|
Yajima S, Masuda H. The significance of G8 and other geriatric assessments in urologic cancer management: A comprehensive review. Int J Urol 2024; 31:607-615. [PMID: 38402450 DOI: 10.1111/iju.15432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/12/2024] [Indexed: 02/26/2024]
Abstract
In urologic oncology, which often involves older patients, it is important to consider how to manage their care appropriately. Geriatric assessment (GA) is a method that can address the specific needs of older cancer patients. The GA encompasses various assessment domains, but these domains exhibit variations across the literature. Some of the common items include functional ability, nutrition, comorbidities, cognitive ability, psychosocial disorders, polypharmacy, social and financial support, falls/imbalance, and vision/hearing. Despite the diversity of domains, there is limited consensus on reliable measurement methods. This review discusses the role of GA in managing urologic cancer in unique scenarios, such as those necessitating temporary or permanent urinary catheters or stomas due to urinary diversion. A comprehensive GA is time and human-resource-intensive in real-world clinical practice. Hence, simpler tools such as the Geriatric-8 (G8), capable of identifying high-risk patients requiring a detailed GA, are also under investigation in various contexts. Therefore, we conducted a systematic literature review on the G8. Our findings indicate that patients with low G8 scores encounter difficulties with stoma self-care after urinary diversion and have higher risks of urinary tract infections and ileus after radical cystectomy. The utilization of G8 as a screening tool for urologic cancer patients may facilitate the delivery of appropriate and personalized treatment and care.
Collapse
Affiliation(s)
- Shugo Yajima
- Department of Urology, National Cancer Center Hospital East, Chiba, Japan
| | - Hitoshi Masuda
- Department of Urology, National Cancer Center Hospital East, Chiba, Japan
| |
Collapse
|
3
|
Kostakopoulos N, Bellos T, Malovrouvas E, Katsimperis S, Kostakopoulos A. Robot-Assisted Urological Oncology Procedures, Outcomes, and Safety in Frail Patients: A Narrative Review of Available Studies. UROLOGY RESEARCH & PRACTICE 2024; 50:36-41. [PMID: 38451128 PMCID: PMC11059976 DOI: 10.5152/tud.2024.23198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/18/2023] [Indexed: 03/08/2024]
Abstract
In this study, we assess the impact of frailty on the success rate and risk of complications of robot-assisted urological procedures and introduce effective preoperative screening tools to evaluate frail patients' fitness to tolerate robot-assisted urological surgery. We performed a search of electronic databases for available studies, published up to August 2023, investigating the outcomes of robot-assisted urological oncology procedures and their safety in frail patients. Sixteen studies were ultimately selected, investigating the implications of frailty in robot-assisted radical cystectomy, robotassisted partial nephrectomy, and robot-assisted radical prostatectomy. All the studies used the Clavien-Dindo classification of complications with serious complications considered as Clavien-Dindo 3. Frail patients significantly benefit from robot-assisted urological procedures in comparison to open surgery, with lower rates of blood transfusion and a shorter length of stay. However, they also have a higher risk of postoperative complications than non-frail patients, as well as increased rates of conversion to open, total hospital costs, and in-hospital mortality after robot-assisted procedures. Robot-assisted urological procedures can improve the postoperative recovery of frail patients in comparison to open surgery. Reliable frailty indexes such as the Johns Hopkins indicator and simplified frailty index, as well as the Geriatric 8 screening tool, should be routinely used in the preoperative assessment of frail patients to optimize surgical decision-making.
Collapse
Affiliation(s)
- Nikolaos Kostakopoulos
- Department of Urology, Metropolitan General, Athens, Greece
- Department of Urology, Aberdeen Royal Infirmary, Aberdeen Urology Unit, NHS Grampian, United Kingdom
| | - Themistoklis Bellos
- Department of Urology, University of Athens, Sismanogleio General Hospital, Athens, Greece
| | | | - Stamatios Katsimperis
- Department of Urology, University of Athens, Sismanogleio General Hospital, Athens, Greece
| | | |
Collapse
|
4
|
Van Zundert TC, Gatt SP, van Zundert AA. Anesthesia and perioperative pain relief in the frail elderly patient. Saudi J Anaesth 2023; 17:566-574. [PMID: 37779574 PMCID: PMC10540986 DOI: 10.4103/sja.sja_628_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 10/03/2023] Open
Abstract
Demand for anesthesia and analgesia for the frail elderly is continuously increasing as the likelihood of encountering very elderly, very vulnerable, and very compromised patients has, ever so subtly, increased over the last three decades. The anesthesiologist has, increasingly, been obliged to offer professional services to frail patients. Fortunately, there has been a dramatic improvement in medications, methods of drug delivery, critical monitoring, and anesthesia techniques. Specific methodologies peculiar to the frail are now taught and practiced across all anesthesia subspecialties. However, administering anesthesia for the frail elderly is vastly different to giving an anesthetic to the older patient. Frail patients are increasingly cared for in specialized units-geriatric intensive therapy units, post-acute care services, palliative, hospices, and supportive care and aged care facilities. Several medications (e.g., morphine-sparing analgesics) more suited to the frail have become universally available in most centers worldwide so that best-practice, evidence-based anesthesia combinations of drugs and techniques are now increasingly employed. Every anesthetic and pain management techniques in the frail elderly patient are going to be discussed in this review.
Collapse
Affiliation(s)
| | - Stephen P Gatt
- Discipline of Anaesthesia, Critical Care and Emergency Medicine, University of New South Wales, Kensington, NSW, Australia and Udayana University, Bali, Indonesia
| | - André A.J. van Zundert
- Department of Anaesthesia and Perioperative Medicine, Royal Brisbane and Women’s Hospital, and The University of Queensland, Brisbane, Queensland, Australia
| |
Collapse
|
5
|
Utility of the Age Discrepancy between Frailty-Based Biological Age and Expected Life Age in Patients with Urological Cancers. Cancers (Basel) 2022; 14:cancers14246229. [PMID: 36551713 PMCID: PMC9776733 DOI: 10.3390/cancers14246229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/14/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Background: The estimation of biological age is challenging in patients with cancers. We aimed to investigate frailty-based biological ages using frailty-discriminant scores (FDS) and examined the effect of biological-expected life age discrepancy on the prognosis of patients with urological cancers. Methods: We retrospectively evaluated frailty in 1035 patients having urological cancers. Their frailty-based biological age was then defined by the FDS, which is a comprehensive frailty assessment tool, using 1790 noncancer individuals as controls. An expected life age (=chronological age + life expectancy) was subsequently calculated using the 2019 life expectancy table. The primary outcome was the estimation of the biological-expected life age discrepancy between the frailty-based biological age and expected life age in patients with urological cancers. Secondary outcomes were the evaluation of the effect of the biological-expected life age discrepancy on overall survival. Results: We included 405, 466, and 164 patients diagnosed with prostate cancer, urothelial carcinoma, and renal cell carcinoma, respectively. The median chronological age, life expectancy, and estimated frailty-based biological age were 71, 17, and 83 years, respectively. The biological-expected life age discrepancy in any urological cancers, localized diseases, and metastatic diseases was −4.8, −6.3, and +0.15 years, respectively. The biological-expected life age discrepancy of >5 years was significantly associated with poor overall survival. Conclusions: The biological-expected life age discrepancy between frailty-based biological age and expected life age may be helpful in understanding the role of frailty and patient/doctor conversation.
Collapse
|
6
|
Togashi K, Hatakeyama S, Okamoto T, Kojima Y, Iwamura H, Fujita N, Narita T, Hamano I, Hamaya T, Yoneyama T, Yamamoto H, Yoneyama T, Hashimoto Y, Ohyama C. Oncologic and patient-reported outcomes after robot-assisted radical prostatectomy in men aged ≥75 years. Urol Oncol 2020; 39:729.e17-729.e25. [PMID: 33353866 DOI: 10.1016/j.urolonc.2020.12.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/18/2020] [Accepted: 12/07/2020] [Indexed: 01/11/2023]
Abstract
OBJECTIVE The present study aimed to evaluate oncologic outcomes, patient-reported outcomes (PROs), and frailty in older adult patients aged ≥75 years who underwent robot-assisted radical prostatectomy (RARP). MATERIALS AND METHODS This retrospective study reviewed the medical records of 752 patients who underwent RARP from July 2011 to May 2020. The PROs were evaluated by Expanded Prostate Cancer Index Composite questionnaire at baseline and 1 year after RARP. Patients were divided into 3 groups according to age at RARP: <70, 70-74, and ≥75 years. Oncologic outcomes and PROs were compared between the ≥75 and 70-74 years groups and between the ≥75 and <70 years groups. RESULTS Median follow up was 47 months. Of the 752 patients, 469, 216, and 74 were classified into the <70, 70-74, and ≥75 years groups, respectively. No significant differences were observed in the biochemical recurrence-free survival, cancer-specific survival, and overall survival among the groups. No significant differences were observed in the PROs and pad-free rates at baseline and 1 year after RARP among the groups. The full satisfaction (Expanded Prostate Cancer Index Composite score = 100) at 12 months after RARP was significantly higher in the ≥75 years group (27%) than in the <70 years group (15%, P = 0.045). CONCLUSION The oncologic outcomes and PROs in select patients with prostate cancer aged ≥75 years were feasible and acceptable with RARP.
Collapse
Affiliation(s)
- Kyo Togashi
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shingo Hatakeyama
- Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Teppei Okamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yuta Kojima
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiromichi Iwamura
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Naoki Fujita
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takuma Narita
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Itsuto Hamano
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoko Hamaya
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tohru Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hayato Yamamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takahiro Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yasuhiro Hashimoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan; Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan; Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| |
Collapse
|
7
|
Hatakeyama S, Ohyama C. Response to Re: Geriatric 8 screening of frailty in patients with prostate cancer. Int J Urol 2020; 27:1162-1163. [DOI: 10.1111/iju.14399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Shingo Hatakeyama
- Departments of Advanced Blood Purification Therapy Hirosaki University Graduate School of Medicine HirosakiJapan
| | - Chikara Ohyama
- Departments of Advanced Blood Purification Therapy Hirosaki University Graduate School of Medicine HirosakiJapan
- Department of Urology Hirosaki University Graduate School of Medicine Hirosaki Japan
| |
Collapse
|
8
|
Hamaya T, Hatakeyama S, Momota M, Narita T, Iwamura H, Kojima Y, Hamano I, Fujita N, Okamoto T, Togashi K, Yoneyama T, Yamamoto H, Yoneyama T, Hashimoto Y, Ohyama C. Association between the baseline frailty and quality of life in patients with prostate cancer (FRAQ-PC study). Int J Clin Oncol 2020; 26:199-206. [PMID: 33079283 DOI: 10.1007/s10147-020-01798-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 09/28/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND The association between baseline frailty and health-related quality of life (HRQOL) in patients with prostate cancer (PC) remains unknown. METHODS We retrospectively evaluated the association of pretreatment frailty with HRQOL in 409 patients with PC from February 2017 to April 2020. Frailty and HRQOL were evaluated using the geriatric 8 (G8) screening tool and QLQ-C30 questionnaire, respectively. The primary objective was comparison of G8 and QOL scores between the localized diseases (M0 group) and metastatic castration-sensitive PC (mCSPC group). Secondary objectives were to study the association of G8 and QOL scores in each group and effect of frailty (G8 ≤ 14) on worse QOL. RESULTS The median age of patients was 70 years. There were 369 (surgery: 196, radiotherapy: 156, androgen deprivation therapy alone: 17) patients in the M0 and 40 patients in the mCSPC groups. There was a significant difference between the M0 and mCSPC groups in the G8 score (14.5 vs. 12.5), functioning QOL (94 vs. 87), global QOL (75 vs. 58), and 100-symptom QOL (94 vs. 85) scores. G8 scores were significantly associated with functioning, global, and 100-symptom QOL scores in both M0 and mCSPC groups. The multivariable logistic regression analyses showed that frailty (G8 ≤ 14) was significantly associated with worse global QOL, functioning QOL, and 100-symptom QOL scores. CONCLUSION The baseline frailty and HRQOL were significantly different between the localized and metastatic disease. The baseline frailty was significantly associated with worse HRQOL in patients with PC.
Collapse
Affiliation(s)
- Tomoko Hamaya
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Shingo Hatakeyama
- Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan.
| | - Masaki Momota
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Takuma Narita
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Hiromichi Iwamura
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Yuta Kojima
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Itsuto Hamano
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Naoki Fujita
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Teppei Okamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Kyo Togashi
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Tohru Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Hayato Yamamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Takahiro Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Yasuhiro Hashimoto
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan.,Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan.,Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, 5 Zaifu-chou, Hirosaki, 036-8562, Japan
| |
Collapse
|
9
|
Togashi K, Hatakeyama S, Kojima Y, Momota M, Narita T, Iwamura H, Hamano I, Hamaya T, Fujita N, Okamoto T, Yoneyama T, Yamamoto H, Yoneyama T, Hashimoto Y, Ohyama C. The effect of frailty on the quality of life and lower urinary symptoms following robot-assisted radical prostatectomy: A longitudinal analysis (FRARP-QL Study). Urol Oncol 2020; 39:192.e7-192.e14. [PMID: 32861619 DOI: 10.1016/j.urolonc.2020.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/08/2020] [Accepted: 08/05/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVES We aimed to evaluate the effect of frailty on health-related quality-of-life (HRQOL) and lower urinary symptoms (LUTS) following robot-assisted radical prostatectomy (RARP) in patients with prostate cancer (CaP). MATERIALS AND METHODS We longitudinally evaluated geriatric 8 (G8), HRQOL, and LUTS for 12 months in 118 patients with RARP from January 2017 to April 2020. Patients were divided into frail (G8 ≤14) and nonfrail (G8 >14) groups. We compared the effect of frailty on HRQOL and LUTS between the frail and nonfrail groups before and 12 months after RARP. RESULTS The median age of patients was 68 years. The number of patients in the frail and nonfrail groups were 41 and 77, respectively. No significant difference in patients' background was observed between the groups, except for the presence of cardiovascular disease (22% vs. 7.8%, P = 0.041). There was no significant difference in HRQOLs and LUTS between the groups at baseline. Similarly, HRQOLs, LUTS, and pad-free continence rates were not significantly different between the groups at 12 months after RARP. In the nonfrail group, LUTS at 12 months following RARP significantly improved compared to those at the baseline, but it did not significantly improve in the frail group. Multivariable logistic regression analysis demonstrated that frailty was not significantly associated with LUTS worsening. CONCLUSIONS Frailty was not significantly associated with the worsening of HRQOL, LUTS, and pad-free continence rates in patients treated with RARP.
Collapse
Affiliation(s)
- Kyo Togashi
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shingo Hatakeyama
- Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Yuta Kojima
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Masaki Momota
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takuma Narita
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiromichi Iwamura
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Itsuto Hamano
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoko Hamaya
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Naoki Fujita
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Teppei Okamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tohru Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hayato Yamamoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takahiro Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yasuhiro Hashimoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan; Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan; Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| |
Collapse
|