1.Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan
Akira TSUJIMURA ; Shinichiro FUKUHARA ; Koji CHIBA ; Tsuyoshi YOSHIZAWA ; Hikaru TOMOE ; Masato SHIRAI ; Kazunori KIMURA ; Eiji KIKUCHI ; Eri MAEDA ; Yoshikazu SATO ; Atsushi NAGAI ; Koichi NAGAO ; Haruaki SASAKI ;
The World Journal of Men's Health 2025;43(1):239-248
Purpose:
Twenty five years have passed since the first national survey on erectile dysfunction (ED) in Japan. The Japanese Society for Sexual Medicine conducted a nationwide survey on the actual status of sexual function targeting men over 20 years old in Japan using validated questionnaires commonly used in clinical practice.
Materials and Methods:
Japanese men aged 20 to 79 years participated in our online epidemiological study on sexual dysfunction. Erectile status was assessed by direct questioning and specific questionnaires. Risk factors and frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were assessed. The prevalence of these risk factors was compared between men with and without ED. Prevalence and frequencies were calculated for each 5-year age group. Main outcomes were the prevalence and number of patients with ED and simultaneous evaluation of age-related variations.
Results:
Direct questioning of the men revealed that 13.0% felt troubled by ED. Although 81.0% of them had at least some ED symptoms based on a Sexual Health Inventory For Men score of ≤21, the prevalence of men with ED by Erection Hardness Score (EHS), the most appropriate questionnaire for Japanese with low sexual activity, was 30.9%, indicating that 14,012,596 men have ED. Most risk factors were related with ED, whereas frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were affected by aging. However, the low frequency of these factors in the young generation was surprising.
Conclusions
The EHS-based assessment revealed a prevalence of ED of 30.9%, which affected approximately 14 million men, and that the sexual desire, erection stiffness, orgasms, and satisfaction were lower than expected in young Japanese men, especially those aged 20 to 24 years, although those factors tended to worsen with aging. We believe that these findings actually reveal the current sexual status of men in Japan.
2.Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan
Akira TSUJIMURA ; Shinichiro FUKUHARA ; Koji CHIBA ; Tsuyoshi YOSHIZAWA ; Hikaru TOMOE ; Masato SHIRAI ; Kazunori KIMURA ; Eiji KIKUCHI ; Eri MAEDA ; Yoshikazu SATO ; Atsushi NAGAI ; Koichi NAGAO ; Haruaki SASAKI ;
The World Journal of Men's Health 2025;43(1):239-248
Purpose:
Twenty five years have passed since the first national survey on erectile dysfunction (ED) in Japan. The Japanese Society for Sexual Medicine conducted a nationwide survey on the actual status of sexual function targeting men over 20 years old in Japan using validated questionnaires commonly used in clinical practice.
Materials and Methods:
Japanese men aged 20 to 79 years participated in our online epidemiological study on sexual dysfunction. Erectile status was assessed by direct questioning and specific questionnaires. Risk factors and frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were assessed. The prevalence of these risk factors was compared between men with and without ED. Prevalence and frequencies were calculated for each 5-year age group. Main outcomes were the prevalence and number of patients with ED and simultaneous evaluation of age-related variations.
Results:
Direct questioning of the men revealed that 13.0% felt troubled by ED. Although 81.0% of them had at least some ED symptoms based on a Sexual Health Inventory For Men score of ≤21, the prevalence of men with ED by Erection Hardness Score (EHS), the most appropriate questionnaire for Japanese with low sexual activity, was 30.9%, indicating that 14,012,596 men have ED. Most risk factors were related with ED, whereas frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were affected by aging. However, the low frequency of these factors in the young generation was surprising.
Conclusions
The EHS-based assessment revealed a prevalence of ED of 30.9%, which affected approximately 14 million men, and that the sexual desire, erection stiffness, orgasms, and satisfaction were lower than expected in young Japanese men, especially those aged 20 to 24 years, although those factors tended to worsen with aging. We believe that these findings actually reveal the current sexual status of men in Japan.
3.Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan
Akira TSUJIMURA ; Shinichiro FUKUHARA ; Koji CHIBA ; Tsuyoshi YOSHIZAWA ; Hikaru TOMOE ; Masato SHIRAI ; Kazunori KIMURA ; Eiji KIKUCHI ; Eri MAEDA ; Yoshikazu SATO ; Atsushi NAGAI ; Koichi NAGAO ; Haruaki SASAKI ;
The World Journal of Men's Health 2025;43(1):239-248
Purpose:
Twenty five years have passed since the first national survey on erectile dysfunction (ED) in Japan. The Japanese Society for Sexual Medicine conducted a nationwide survey on the actual status of sexual function targeting men over 20 years old in Japan using validated questionnaires commonly used in clinical practice.
Materials and Methods:
Japanese men aged 20 to 79 years participated in our online epidemiological study on sexual dysfunction. Erectile status was assessed by direct questioning and specific questionnaires. Risk factors and frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were assessed. The prevalence of these risk factors was compared between men with and without ED. Prevalence and frequencies were calculated for each 5-year age group. Main outcomes were the prevalence and number of patients with ED and simultaneous evaluation of age-related variations.
Results:
Direct questioning of the men revealed that 13.0% felt troubled by ED. Although 81.0% of them had at least some ED symptoms based on a Sexual Health Inventory For Men score of ≤21, the prevalence of men with ED by Erection Hardness Score (EHS), the most appropriate questionnaire for Japanese with low sexual activity, was 30.9%, indicating that 14,012,596 men have ED. Most risk factors were related with ED, whereas frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were affected by aging. However, the low frequency of these factors in the young generation was surprising.
Conclusions
The EHS-based assessment revealed a prevalence of ED of 30.9%, which affected approximately 14 million men, and that the sexual desire, erection stiffness, orgasms, and satisfaction were lower than expected in young Japanese men, especially those aged 20 to 24 years, although those factors tended to worsen with aging. We believe that these findings actually reveal the current sexual status of men in Japan.
4.Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan
Akira TSUJIMURA ; Shinichiro FUKUHARA ; Koji CHIBA ; Tsuyoshi YOSHIZAWA ; Hikaru TOMOE ; Masato SHIRAI ; Kazunori KIMURA ; Eiji KIKUCHI ; Eri MAEDA ; Yoshikazu SATO ; Atsushi NAGAI ; Koichi NAGAO ; Haruaki SASAKI ;
The World Journal of Men's Health 2025;43(1):239-248
Purpose:
Twenty five years have passed since the first national survey on erectile dysfunction (ED) in Japan. The Japanese Society for Sexual Medicine conducted a nationwide survey on the actual status of sexual function targeting men over 20 years old in Japan using validated questionnaires commonly used in clinical practice.
Materials and Methods:
Japanese men aged 20 to 79 years participated in our online epidemiological study on sexual dysfunction. Erectile status was assessed by direct questioning and specific questionnaires. Risk factors and frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were assessed. The prevalence of these risk factors was compared between men with and without ED. Prevalence and frequencies were calculated for each 5-year age group. Main outcomes were the prevalence and number of patients with ED and simultaneous evaluation of age-related variations.
Results:
Direct questioning of the men revealed that 13.0% felt troubled by ED. Although 81.0% of them had at least some ED symptoms based on a Sexual Health Inventory For Men score of ≤21, the prevalence of men with ED by Erection Hardness Score (EHS), the most appropriate questionnaire for Japanese with low sexual activity, was 30.9%, indicating that 14,012,596 men have ED. Most risk factors were related with ED, whereas frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were affected by aging. However, the low frequency of these factors in the young generation was surprising.
Conclusions
The EHS-based assessment revealed a prevalence of ED of 30.9%, which affected approximately 14 million men, and that the sexual desire, erection stiffness, orgasms, and satisfaction were lower than expected in young Japanese men, especially those aged 20 to 24 years, although those factors tended to worsen with aging. We believe that these findings actually reveal the current sexual status of men in Japan.
5.Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan
Akira TSUJIMURA ; Shinichiro FUKUHARA ; Koji CHIBA ; Tsuyoshi YOSHIZAWA ; Hikaru TOMOE ; Masato SHIRAI ; Kazunori KIMURA ; Eiji KIKUCHI ; Eri MAEDA ; Yoshikazu SATO ; Atsushi NAGAI ; Koichi NAGAO ; Haruaki SASAKI ;
The World Journal of Men's Health 2025;43(1):239-248
Purpose:
Twenty five years have passed since the first national survey on erectile dysfunction (ED) in Japan. The Japanese Society for Sexual Medicine conducted a nationwide survey on the actual status of sexual function targeting men over 20 years old in Japan using validated questionnaires commonly used in clinical practice.
Materials and Methods:
Japanese men aged 20 to 79 years participated in our online epidemiological study on sexual dysfunction. Erectile status was assessed by direct questioning and specific questionnaires. Risk factors and frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were assessed. The prevalence of these risk factors was compared between men with and without ED. Prevalence and frequencies were calculated for each 5-year age group. Main outcomes were the prevalence and number of patients with ED and simultaneous evaluation of age-related variations.
Results:
Direct questioning of the men revealed that 13.0% felt troubled by ED. Although 81.0% of them had at least some ED symptoms based on a Sexual Health Inventory For Men score of ≤21, the prevalence of men with ED by Erection Hardness Score (EHS), the most appropriate questionnaire for Japanese with low sexual activity, was 30.9%, indicating that 14,012,596 men have ED. Most risk factors were related with ED, whereas frequencies of sexual intercourse, masturbation, nocturnal erections, and feeling sexual desire were affected by aging. However, the low frequency of these factors in the young generation was surprising.
Conclusions
The EHS-based assessment revealed a prevalence of ED of 30.9%, which affected approximately 14 million men, and that the sexual desire, erection stiffness, orgasms, and satisfaction were lower than expected in young Japanese men, especially those aged 20 to 24 years, although those factors tended to worsen with aging. We believe that these findings actually reveal the current sexual status of men in Japan.
6.Consensus and Diversity in the Management of Varicocele for Male Infertility: Results of a Global Practice Survey and Comparison with Guidelines and Recommendations
Rupin SHAH ; Ashok AGARWAL ; Parviz KAVOUSSI ; Amarnath RAMBHATLA ; Ramadan SALEH ; Rossella CANNARELLA ; Ahmed M. HARRAZ ; Florence BOITRELLE ; Shinnosuke KURODA ; Taha Abo-Almagd Abdel-Meguid HAMODA ; Armand ZINI ; Edmund KO ; Gokhan CALIK ; Tuncay TOPRAK ; Hussein KANDIL ; Murat GÜL ; Mustafa Emre BAKIRCIOĞLU ; Neel PAREKH ; Giorgio Ivan RUSSO ; Nicholas TADROS ; Ates KADIOGLU ; Mohamed ARAFA ; Eric CHUNG ; Osvaldo RAJMIL ; Fotios DIMITRIADIS ; Vineet MALHOTRA ; Gianmaria SALVIO ; Ralf HENKEL ; Tan V. LE ; Emrullah SOGUTDELEN ; Sarah VIJ ; Abdullah ALARBID ; Ahmet GUDELOGLU ; Akira TSUJIMURA ; Aldo E. CALOGERO ; Amr El MELIEGY ; Andrea CRAFA ; Arif KALKANLI ; Aykut BASER ; Berk HAZIR ; Carlo GIULIONI ; Chak-Lam CHO ; Christopher C.K. HO ; Ciro SALZANO ; Daniel Suslik ZYLBERSZTEJN ; Dung Mai Ba TIEN ; Edoardo PESCATORI ; Edson BORGES ; Ege Can SEREFOGLU ; Emine SAÏS-HAMZA ; Eric HUYGHE ; Erman CEYHAN ; Ettore CAROPPO ; Fabrizio CASTIGLIONI ; Fahmi BAHAR ; Fatih GOKALP ; Francesco LOMBARDO ; Franco GADDA ; Gede Wirya Kusuma DUARSA ; Germar-Michael PINGGERA ; Gian Maria BUSETTO ; Giancarlo BALERCIA ; Gianmartin CITO ; Gideon BLECHER ; Giorgio FRANCO ; Giovanni LIGUORI ; Haitham ELBARDISI ; Hakan KESKIN ; Haocheng LIN ; Hisanori TANIGUCHI ; Hyun Jun PARK ; Imad ZIOUZIOU ; Jean de la ROSETTE ; Jim HOTALING ; Jonathan RAMSAY ; Juan Manuel Corral MOLINA ; Ka Lun LO ; Kadir BOCU ; Kareim KHALAFALLA ; Kasonde BOWA ; Keisuke OKADA ; Koichi NAGAO ; Koji CHIBA ; Lukman HAKIM ; Konstantinos MAKAROUNIS ; Marah HEHEMANN ; Marcelo Rodriguez PEÑA ; Marco FALCONE ; Marion BENDAYAN ; Marlon MARTINEZ ; Massimiliano TIMPANO
The World Journal of Men's Health 2023;41(1):164-197
Purpose:
Varicocele is a common problem among infertile men. Varicocele repair (VR) is frequently performed to improve semen parameters and the chances of pregnancy. However, there is a lack of consensus about the diagnosis, indications for VR and its outcomes. The aim of this study was to explore global practice patterns on the management of varicocele in the context of male infertility.
Materials and Methods:
Sixty practicing urologists/andrologists from 23 countries contributed 382 multiple-choice-questions pertaining to varicocele management. These were condensed into an online questionnaire that was forwarded to clinicians involved in male infertility management through direct invitation. The results were analyzed for disagreement and agreement in practice patterns and, compared with the latest guidelines of international professional societies (American Urological Association [AUA], American Society for Reproductive Medicine [ASRM], and European Association of Urology [EAU]), and with evidence emerging from recent systematic reviews and meta-analyses. Additionally, an expert opinion on each topic was provided based on the consensus of 16 experts in the field.
Results:
The questionnaire was answered by 574 clinicians from 59 countries. The majority of respondents were urologists/ uro-andrologists. A wide diversity of opinion was seen in every aspect of varicocele diagnosis, indications for repair, choice of technique, management of sub-clinical varicocele and the role of VR in azoospermia. A significant proportion of the responses were at odds with the recommendations of AUA, ASRM, and EAU. A large number of clinical situations were identified where no guidelines are available.
Conclusions
This study is the largest global survey performed to date on the clinical management of varicocele for male infertility. It demonstrates: 1) a wide disagreement in the approach to varicocele management, 2) large gaps in the clinical practice guidelines from professional societies, and 3) the need for further studies on several aspects of varicocele management in infertile men.
7.Intraperitoneal bleeding from the right gastroepiploic artery by endoscopic ultrasonography: a case report
Koji TAKAHASHI ; Hiroshi OHYAMA ; Rintaro MIKATA ; Hiroki NAGASHIMA ; Izumi OHNO ; Yuichi TAKIGUCHI ; Naoya KATO
Journal of Rural Medicine 2022;17(3):184-188
Objective: To describe the case of a patient with intraperitoneal bleeding from the gastroepiploic artery by endoscopic ultrasound who was successfully treated with transcatheter arterial coil embolization.Patient and Methods: An 87-year-old man was referred to our hospital for examination of a gallbladder tumor. Endoscopic ultrasonography was performed using an oblique-view echoendoscope. After the endoscopic ultrasound, the patient went into shock. Computed tomography revealed a huge intraperitoneal hematoma and an aneurysm in the right gastroepiploic artery that were not seen on previous computed tomography images. Thus, urgent catheter angiography was performed, which showed a pseudoaneurysm of the right gastroepiploic artery and extravasation of the contrast medium from the pseudoaneurysm.Results: Transcatheter arterial coil embolization was subsequently performed, and the bleeding stopped. Thereafter, his hemodynamics stabilized and his general condition improved. The patient was discharged 22 days post-treatment with an uneventful course.Conclusion: Observation-only endoscopic ultrasound without invasive procedures can cause intraperitoneal bleeding due to a ruptured splanchnic artery. Thus, endoscopic ultrasonography should be performed more carefully in elderly patients.
8.Successful endoscopic retrieval of a migrated pancreatic stent using a basket catheter for peroral cholangioscopy through a biliary plastic stent pusher tube: a case report
Koji TAKAHASHI ; Hiroshi OHYAMA ; Rintaro MIKATA ; Hiroki NAGASHIMA ; Izumi OHNO ; Yuichi TAKIGUCHI ; Naoya KATO
Journal of Rural Medicine 2022;17(3):189-192
Objective: Retrieval is challenging once prophylactic pancreatic stents migrate deep into the pancreatic duct. Herein, we describe a case of successful endoscopic retrieval of a migrated prophylactic pancreatic stent using a basket catheter through a biliary plastic stent pusher tube.Patient: A 71 year-old man was referred to our hospital for removal of a straight-shaped migrated 5-Fr 3-cm prophylactic pancreatic stent with a flap on the duodenal side. There were no subjective symptoms at the time of the hospital visit.Results: During endoscopic retrograde cholangiopancreatography, we inserted an 8.5-Fr plastic biliary stent pusher tube in front of the migrated pancreatic stent. The stent was then grasped using a basket catheter for peroral cholangioscopy through the biliary stent pusher tube. The stent was pulled into the pusher tube and was successfully retrieved from the pancreatic duct. No complications were associated with endoscopic retrograde cholangiopancreatography.Conclusion: Although rare, prophylactic pancreatic duct stent migration after pancreatic duct guidewire placement should be noted. In our case, endoscopic retrieval of a migrated prophylactic pancreatic stent using a basket catheter for peroral cholangioscopy through the biliary plastic stent pusher tube was successful.
9.A Case in which Kampo Medicine was Effective for Pain Management after Tonsillectomy where NSAIDs and Acetaminophen were Difficult to Use
Kazuhiro HIRASAWA ; Shingo ONO ; Shota FUJII ; Yujin CHIBA ; Koji OTSUKA ; Kiyoaki TSUKAHARA
Kampo Medicine 2022;73(1):87-90
Tonsillectomy is an operation generally carried out in otolaryngology. Postoperatively, the pain is very strong and it is often difficult to eat for several days. This time, we experienced a case after tonsillectomy in which rikkosan was effective for pain management. The patient was a 23-year-old woman. With a diagnosis of habitual tonsillitis, we performed her tonsillectomy. Postoperative pain was strong, however, it was difficult to use both non-steroidal anti-inflammatory drug and acetaminophen due to the history of drug eruption. Pain was alleviated immediately after taking rikkosan Subsequently we managed pain by using rikkosan as needed. Following a good postoperative course, she was discharged 6 days after surgery.
10.Gallbladder Cancer Diagnosed by Endoscopic Ultrasound-Guided Fine-Needle Aspiration: A Case Report
Journal of the Japanese Association of Rural Medicine 2021;70(1):43-46
A 77-year-old woman was referred to our hospital because of general malaise and appetite loss for 3 months. Contrast-enhanced computed tomography showed a gallbladder tumor and multiple tumors in the liver. Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) was performed for the gallbladder tumor. Histopathologically, the tumor was diagnosed as poorly differentiated adenocarcinoma. There were no complications of EUS-FNA. While waiting for the histopathological results of EUS-FNA, her appetite loss gradually became severe, so she declined systemic chemotherapy. She was discharged from the hospital 15 days after EUS-FNA. EUS-FNA for gallbladder lesions is useful when pathological diagnosis is required.


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