FUKUSHIMA JOURNAL OF MEDICAL SCIENCE
Online ISSN : 2185-4610
Print ISSN : 0016-2590
ISSN-L : 0016-2590
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Displaying 1-13 of 13 articles from this issue
  • Hitoshi Masamoto, Momoko Murata, Miya Ooshiro, Morihiko Inamine, Tadak ...
    Article type: Original Article
    Article ID: 24-00048
    Published: 2025
    Advance online publication: April 24, 2025
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    Objectives:To explore the outcomes of pregnant women with epilepsy and their neonates, including the incidence of neonatal withdrawal syndrome.

    Methods:In total, 26 pregnancies in 20 mothers with epilepsy were retrospectively examined for the presence of complications before and during pregnancy, number of antiseizure medications taken, gestational weeks at delivery, mode of delivery, number of seizure episodes during pregnancy and postpartum, neonatal birth weight, Apgar score, pH of the umbilical cord arterial blood, neonatal abnormalities, and neonatal withdrawal syndrome.

    Results:Overall, 25 of the 26 pregnancies resulted in live births, with 4 cases undergoing premature deliveries. Ten cases underwent cesarean section, with only one case undergoing cesarean section due to the fear of experiencing seizure during vaginal delivery. During pregnancy, two cases experienced one seizure episode. The rate of small for gestational age was 8.0%, and three neonates had congenital abnormalities. Withdrawal symptoms were observed in 75% of the neonates, but none of them obtained ≥8 points in the withdrawal checklist, the threshold for pharmacotherapy.

    Conclusions:For women with epilepsy who receive medical management and establish good control prior to pregnancy, child birth may be relatively safe, with a low rate of neonatal withdrawal syndrome requiring pharmacotherapy.

  • Ryo Tanji, Nobuhiro Haga, Akari Hiraguri, Takahiro Tsumori, Tomoyuki K ...
    Article type: Original Article
    Article ID: 24-00031
    Published: 2025
    Advance online publication: April 24, 2025
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    Objectives:To identify predictors of prolonged severe urinary incontinence after robot-assisted radical prostatectomy (RARP), perioperative clinical parameters were investigated.

    Methods:Participants were 299 patients who underwent RARP at our institute. Prolonged severe urinary incontinence was defined as a 1-h (one-hour) pad test >50 g/h and/or use of >3 pads/day at 12 months after RARP. The cohort was divided into severe and non-severe urinary incontinence groups according to this criterion. Perioperative clinical parameters were compared between groups to identify predictors for prolonged severe urinary incontinence after RARP.

    Results:Twenty-seven patients (9.0%) were categorized into the severe urinary incontinence group. The remaining 272 patients (91.0%) were categorized into the non-severe urinary incontinence group. Univariate analysis revealed prolonged severe urinary incontinence as significantly associated with older age (P=0.011), high BMI (P=0.001), lymph node dissection (P=0.003), non-preservation of nerves (P=0.039), non-preservation of fascia of the levator ani muscle (P=0.009), and high risk in the D’Amico risk classification (P=0.010). Multivariate analysis revealed prolonged severe urinary incontinence as significantly correlated with high BMI (P=0.009) and high risk in the D’Amico risk classification (P=0.007).

    Conclusions:High BMI and D’Amico high-risk status are associated with prolonged severe urinary incontinence after RARP.

  • Koki Nakamura, Satoshi Kanke, Atsushi Ishii, Fuyuto Mori, Goro Hoshi, ...
    Article type: Original Article
    Article ID: 24-00040
    Published: 2025
    Advance online publication: April 24, 2025
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    Background:In 2020, 29 signs/symptoms as well as 26 diseases/disorders to be encountered during initial postgraduate training were defined in Japan. The purpose of this study was to determine the extent to which junior residents can encounter the signs/symptoms and diseases/disorders during general practice/family medicine training.

    Methods:Junior residents who participated in general practice/family medicine training for four weeks between 2019 and 2022 were:enrolled in the study. They were each assigned to one of five medical institutions with full-time family doctors in Fukushima Prefecture. The rate of participants who encountered each sign/symptom and disease/disorder, as well as the number of signs/symptoms and diseases/disorders each participant encountered, were defined as outcomes and analyzed descriptively.

    Results:Ninety junior residents participated in the study. More than half of the participants encountered 11 out of the 29 signs/symptoms, and each participant encountered an average of nine signs/symptoms. As for diseases/disorders, more than half of the participants encountered 11 out of the 26 diseases/disorders, with an average of 11 per participant.

    Conclusion:General practice/family medicine training provided the junior residents with the opportunity to experience a wide range of signs/symptoms and diseases/disorders.

  • Akira Sakai, Hironori Nakano, Koichi Hashimoto, Kanako Okazaki, Masano ...
    Article type: Original Article
    Article ID: 24-00041
    Published: 2025
    Advance online publication: April 11, 2025
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    Supplementary material

    The Fukushima Health Management Survey, conducted by Fukushima Prefecture since the 2011 Great East Japan Earthquake (GEJE), has not identified any health effects from radiation exposure. Complete blood counts (CBC), which are sensitive to radiation exposure, have not shown lymphocytopenia, neutropenia, anemia, or thrombocytopenia, but the white blood cell fractions have not yet been analyzed since 2011. We classified 25,885 residents (11,383 male, 14,502 female;age range, 16-84 years) in evacuation areas with external exposure dose estimates based on behavioral surveys conducted 4 months after the GEJE into two groups (0-1 [≥0 and <1] and ≥1 mSv) and analyzed changes in CBC and leukocyte fractions from fiscal year (FY) 2011 to FY2017 and their influencing factors. Compared with FY2011, no significant increase in the number of residents with leukopenia was seen, but the rate of male residents with anemia increased through 2017, regardless of the radiation exposure dose, but factors contributing to the development of anemia were more critical in males. No links were found between the development of anemia and smoking, evacuation, or heavy alcohol drinking, whereas significant associations were found with thinness and older age. These findings suggest that malnutrition is a cause of anemia, especially in males.

  • Hitomi Imai, Hidenori Akaihata, Yuki Harigane, Kei Yaginuma, Satoru Me ...
    Article type: Original Article
    Article ID: 24-00057
    Published: 2025
    Advance online publication: April 11, 2025
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    Objectives: This study investigated whether preoperative patient characteristics and surgery-related factors affect postoperative de novo overactive bladder (OAB) after robot-assisted radical prostatectomy (RARP), and identified three predictive markers.

    Methods: Patients without preoperative OAB who underwent RARP at our hospital between February 2013 and October 2020 were included. At 12 months post-RARP, patients were divided into OAB-free and de novo OAB groups based on the presence of overactive bladder. Preoperative patient characteristics and surgery-related factors were compared between the two groups.

    Results: A total of 404 patients were analyzed (OAB-free group, 338; de novo OAB group, 66). The preoperative Overactive Bladder Symptom Score (OABSS) and the percentage of patients with dyslipidemia were significantly higher in the de novo OAB group than in the OAB-free group (OABSS, 3.2 ± 1.6 points vs 2.1 ± 1.4, P<0.01; dyslipidemia, 45.5% vs 32.0%, P=0.04). Nerve-sparing surgery was significantly less common in the de novo OAB group (10.6% vs 27.1%, P<0.01). Preoperative age, blood pressure, BMI, HbA1c, uroflowmetry parameters, prostate volume, operative time and blood loss showed no significant differences between two groups.

    Conclusions: High preoperative OABSS, preoperative dyslipidemia and non-nerve-sparing surgery may be predictive markers for de novo OAB after RARP.

  • Cecilia N. Salim, Novelia P. Widyanto, Adsel Kartadinata, Richardo R. ...
    Article type: Case Report
    Article ID: 24-00059
    Published: 2025
    Advance online publication: April 11, 2025
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    Zinner syndrome (ZS) is a rare urogenital anomaly characterized by cystic seminal vesicles, obstructed ejaculatory duct, and ipsilateral renal agenesis, complicating diagnosis and management due to its rarity and nonspecific symptoms. ZS incidence is 0.0021%, with symptoms typically appearing in the 2nd and 3rd decades of life, including dysuria, urinary frequency, perianal pain, and infertility. MRI is the gold standard for diagnosis, while surgery is reserved for symptomatic patients. Mildly symptomatic patients receive conservative management, including antibiotics and regular monitoring. 

    We report the first case of ZS in Indonesia, involving a 36-year-old male presenting with perineal pain similar to an episode a decade earlier. MRI revealed right kidney agenesis, ejaculatory duct obstruction, a 4.95 cm cyst on the right seminal vesicle, and a right ectopic ureter. Semen analysis was unremarkable. Diagnosis of ZS was confirmed, and the patient opted for conservative management.

    This case highlights the importance of diagnosing ZS in underrepresented regions, where limited awareness and access to advanced tools delay identification. The conservative approach reflected the patient’s preference to avoid surgical risks while achieving effective symptom relief through tailored, patient-centered care. Clinicians should consider ZS in cases of unilateral renal agenesis with cystic pelvic masses.

  • Kazuki Sugaya, Takeyasu Kakamu, Ken Iseki, Arifumi Hasegawa
    Article ID: 24-00049
    Published: 2025
    Advance online publication: March 26, 2025
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    Supplementary material

    Disasters are becoming more common, and their types are more varied. This study investigated the extent to which medical students would like to be engaged in different types of disasters to help recruit personnel for future disaster medicine based on a web-based survey. The study was conducted using existing data. The results revealed that students’ intention to engage in chemical, biological, radiological, nuclear, and explosive (CBRNE) disasters was lower than that for natural and human-made disasters. Further, differences in the intention to engage and perceptions of disasters were observed. We hypothesized that the low intention to engage in CBRNE disasters was due, in part, to the fear of unknown hazards and the belief that disaster response was not part of the university’s mission. Thus, each university should train healthcare professionals to imagine the social needs of risk and educate students about their intention to engage. This can be done by showing them how to respond to disasters in the social context of societal demands in case of future crises.

  • Shuhei Yoshida, Jumpei Temmoku, Kenji Saito, Eiji Suzuki, Takashi Kann ...
    Article ID: 24-00054
    Published: 2025
    Advance online publication: March 28, 2025
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    Abatacept (ABT) is effective in the treatment of rheumatoid arthritis (RA). However, there is no consensus regarding the treatment of patients with RA and idiopathic inflammatory myopathy (IIM). Here, we describe the case of a 55-year-old Japanese female with a 5-year history of RA who developed anti-Jo1 antibody-positive IIM. She developed myalgia and dyspnea while receiving a combination therapy of methotrexate and a Janus kinase inhibitor for RA. Chest computed tomography imaging revealed bilateral middle-to-lower lung frosted shadows. Magnetic resonance imaging of the lower limbs showed a high short tau inversion recovery signal in the bilateral thigh muscle groups. Needle electromyography revealed myogenic changes in the proximal muscles of both the upper and lower extremities. Symmetric proximal muscle weakness, elevated serum muscle enzymes, and the presence of anti-Jo1 antibodies were noted. The diagnosis of IIM was made according to the European Alliance of Associations for Rheumatology diagnostic criteria. The myositis symptoms stabilized with glucocorticoids; however, RA worsened during steroid tapering. After ABT initiation, RA clinical symptoms and functional outcomes improved and myositis remained in remission. In conclusion, ABT may be an effective treatment option for patients with RA and IIM. 

  • Manju bhashini Manoharan, Raviraj Kuppusamy, Manickam Subramanian
    Article ID: 24-00021
    Published: 2025
    Advance online publication: March 26, 2025
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    Introduction: Renal arteries vary in their number and arrangement. Accessory renal arteries (ARA), termed by various names in the literature, can arise from different arterial sources and may be single, double, or multiple. Understanding these variations is essential for various medical procedures.

    Aim: To determine the presence of ARA in the cadavers of South Indian origin and their origin and termination and to discuss its relevant clinical anatomy.

    Materials and Methods: This descriptive study utilized 36 adult cadavers of South Indian origin aged between 50 and 80 years. The ARA observed were classified according to their origin and termination. The Chi-square test was used to determine the variation in the distribution of accessory arteries between the sides.

    Results: Among the 72 kidneys examined, 27.7% had ARA, with a left-sided preponderance. Most accessory arteries had an aortic origin and hilar or superior polar termination. Various forms of accessory arteries were observed, including those entering the anterior surface of the kidney, a rare phenomenon.

    Conclusion: The incidence of accessory arteries supplying the kidney emphasizes the importance of understanding renal vascular anatomy for clinical practice. Anatomical variations play a crucial role in selecting donors for renal transplantation and during various renal interventional procedures.

  • Yuki Harigane, Hidenori Akaihata, Kei Yaginuma, Hitomi Imai, Satoru Me ...
    Article ID: 24-00056
    Published: 2025
    Advance online publication: March 26, 2025
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    Objectives: To investigate the effect of dyslipidemia on the lower urinary tract function by examining the LDL-C/HDL-C ratio in patients without bladder outlet obstruction (BOO).

    Methods: Patients who underwent urodynamic study before robot-assisted radical prostatectomy were included. Exclusion criteria were diabetes mellitus (HbA1c > 6.2%) and BOO (Schäfer nomogram obstruction III - V). The association between the preoperative LDL-C/HDL-C ratio and urodynamic findings were analyzed. Patients were divided into two groups based on Schäfer nomogram: weak contraction group (W−, W+, N−) and strong contraction group (N+, ST) to assess the relationship between the LDL-C/HDL-C ratio and bladder contraction.

    Results: A total of 52 patients entered the study. The LDL-C/HDL-C ratio was 2.4 ± 0.8. The preoperative international prostate symptom score was mild (6.7 ± 5.6). Voided volume was significantly positively associated with the LDL-C/HDL-C ratio (P=0.041). The LDL-C/HDL-C ratio was significantly less in the strong contraction group than in the weak contraction group (P=0.047). Receiver operating characteristic (ROC) analysis showed a cut-off value of 2.15 for the LDL-C/HDL-C ratio in predicting weak bladder contraction.

    Conclusions: Dyslipidemia-induced lower urinary tract dysfunction (LUTD) showed less bladder contractility with larger voided volume. The LDL-C/HDL-C ratio ≥ 2.15 may be a useful marker of dyslipidemia-induced LUTD.

  • Hisao Okabe, Masatoki Sato, Sakurako Norito, Kazufumi Yaginuma, Yasush ...
    Article ID: 24-00010
    Published: 2025
    Advance online publication: March 06, 2025
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    Human herpesvirus 7 (HHV-7) is ubiquitous and infects most children. Severe HHV-7 infection was considered to be rare. In this case series, we report the clinical findings and clinical courses of three immunocompetent children who had severe HHV-7 infection: two fatal cases of encephalopathy and one patient with severe sequelae after myocarditis. In all three patients, HHV-7 DNA was detected in acute phase specimens, including serum by real-time PCR. In the myocarditis case, HHV-7 DNA was also detected in myocardial tissue, suggesting that HHV-7 was the cause. Patient 1 was a 6-year-old Japanese girl with encephalopathy who died one day after onset. Patient 2 was a 4-year-old Japanese girl with encephalopathy whose absence of brainstem reflexes was confirmed and died 29 days after onset. Patient 3 was a 22-month-old Japanese girl with myocarditis who managed with extracorporeal membrane oxygenation and survived but was left with severe neurological sequelae. Because HHV-7 can cause serious outcomes in children, a virological search for HHV-7 in severe infections needs to be aggressive, and cases should be accumulated.

  • Rei Suzuki, Hiroyuki Asama, Naoki Konno, Ko Watanabe, Hiromichi Imaizu ...
    Article ID: 24-00011
    Published: 2025
    Advance online publication: March 06, 2025
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    Background: The COVID-19 pandemic has had a significant impact on healthcare, including cancer management. This study aimed to investigate the prognostic impact of the COVID-19 pandemic, throughout its duration, on patient care for pancreatic ductal adenocarcinoma (PDAC).

    Methods: We collected clinical data of patients with unresectable PDAC who underwent palliative chemotherapy at five medical facilities in Fukushima, Japan. The patients were divided into two groups: group A (nonpandemic cohort) and group B (pandemic cohort). Survival analysis was performed for progression-free survival (PFS) and overall survival (OS) via the Kaplan‒Meier method with the log-rank test.

    Results: In total, 249 patients were selected for the analysis. Patients in Group B had significantly greater serum CA19-9 levels and proportions of patients selected for combination therapy; however, we did not find significant differences between the two groups in PFS (Group A vs. Group B: 5.6 months vs. 4.4 months, HR = 0.82 (95% CI, 0.6–1.1), p = 0.17) or OS (14.8 months vs. 12.3 months, HR = 0.81 (95% CI, 0.7–1.3), p = 0.81) in the survival analysis.

    Conclusions: We did not observe a negative impact on the prognosis of patients with unresectable PDAC throughout the COVID-19 pandemic.

  • Naokazu Inoue
    Article ID: 24-00046
    Published: 2025
    Advance online publication: March 06, 2025
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    The fusion between spermatozoon and oocyte represents the final stage of fertilization in mammals. Since only one of the extremely large number of spermatozoa fertilizes the oocyte, there should be a strictly regulated molecular mechanism in gamete fusion. Oocyte CD9 was first identified as a key factor for gamete fusion, followed by sperm IZUMO1 and oocyte IZUMO1 receptor JUNO. Since 2020, with the recent emergence of genome editing technologies, new gamete fusion sperm factors, SPACA6, TMEM95, FIMP, SOF1, DCST1, and DCST2, have been reported one after another. In this review, I would like to give an overview of mammalian gamete fusion based on the latest findings on these factors.

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