1.Brachiocephalic Arteriovenous Fistula after Transvenous Pacemaker Lead Extraction for Pacemaker Lead Infection
Hiroyuki Johno ; Hirotaka Murata ; Shouji Fujiwara
Japanese Journal of Cardiovascular Surgery 2014;43(3):142-145
Transvenous pacemaker lead extraction (TLE) techniques for pacemaker lead infection have developed in recent years. Several minimally invasive methods for TLE have been devised, but fatal complications are not rare in these procedures. We present the case of a 26-year-old woman with Brugada syndrome referred to our hospital with wound infection, 3 years after implantation. She had the 2 infected leads completely removed with laser sheaths and underwent antibiotic therapy. On post operative day 8, pulsatile mass with thrilling was noted at the suprasternal notch. Enhanced CT examination revealed the fistula between the brachiocephalic artery and vein (AVF). Operation was scheduled to close the fistula. Early in the morning of the scheduled operation day, extensive bleeding from the ruptured mass on the suprasternal notch occurred and emergency operation was done to suture the bleeding point and ligate both side of the fistula of the brachiocephalic vein, using an occlusion balloon inserted into the brachiocephalic artery. The postoperative course was uneventful. AVF after TLE is a rare complication. Although the cardiac implantable electronic device can provide life-saving benefits, device-associated complications should be managed carefully.
2.Open-label, Randomized Crossover Study Between Telmisartan and Valsartan on Improving Insulin Resistance and Adipocytokines in Nondiabetic Patients with Mild Hypertension
Hiroyuki Ohbayashi ; Shinya Minatoguchi ; Takuma Aoyama ; Hisayoshi Fujiwara
Journal of Rural Medicine 2010;5(2):165-174
Objective: The comparative effect of telmisartan and valsartan upon insulin resistance and adipocytokines in nondiabetic patients with mild hypertension is unclear.
Methods: Fifty nondiabetic patients with untreated mild hypertension were randomly assigned to telmisartan (40 mg/day) and valsartan (80 mg/day) groups and were switched in a crossover manner at 3-month intervals. Serum leptin, adiponectin, hsCRP and the HOMA-R were measured before and at 3 months during each treatment period.
Results: The HOMA-R significantly improved over the 3 months in the high insulin resistance group (HOMA-R>/=2.5) during the telmisartan treatment period (p=0.042), but not during the valsartan period. Both telmisartan and valsartan significantly decreased serum leptin levels in each female group during each treatment period (p<0.001 and p<0.001, respectively), but not in the male groups. Serum adiponectin did not increase in either treatment group. Serum hsCRP levels also significantly decreased in the high hsCRP subjects (>/=0.1) of both treatment groups (p=0.044 and p=0.015, respectively).
Conclusions: Telmisartan significantly improved insulin resistance, possibly through the effect on PPAR-gamma, while both telmisartan and valsartan significantly decreased serum leptin levels in female groups and hsCRP in both genders, suggesting no significantly different effects on adipocytokines by either drug in nondiabetic patients with mild hypertension.
3.Various types of total laparoscopic nerve-sparing radical hysterectomies and their effects on bladder function.
Hiroyuki KANAO ; Kazuko FUJIWARA ; Keiko EBISAWA ; Tomonori HADA ; Yoshiaki OTA ; Masaaki ANDOU
Journal of Gynecologic Oncology 2014;25(3):198-205
OBJECTIVE: This study was conducted to ascertain the correlation between preserved pelvic nerve networks and bladder function after laparoscopic nerve-sparing radical hysterectomy. METHODS: Between 2009 and 2011, 53 patients underwent total laparoscopic radical hysterectomies. They were categorized into groups A, B, and C based on the status of preserved pelvic nerve networks: complete preservation of the pelvic nerve plexus (group A, 27 cases); partial preservation (group B, 13 cases); and complete sacrifice (group C, 13 cases). To evaluate bladder function, urodynamic studies were conducted preoperatively and postoperatively at 1, 3, 6, and 12 months after surgery. RESULTS: No significant difference in sensory function was found between groups A and B. However, the sensory function of group C was significantly lower than that of the other groups. Group A had significantly better motor function than groups B and C. No significant difference in motor function was found between groups B and C. Results showed that the sensory nerve is distributed predominantly at the dorsal half of the pelvic nerve networks, but the motor nerve is predominantly distributed at the ventral half. CONCLUSION: Various types of total laparoscopic nerve-sparing radical hysterectomies can be tailored to patients with cervical carcinomas.
Adult
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Aged
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Female
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Humans
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Hypogastric Plexus/injuries
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Hysterectomy/adverse effects/*methods
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Laparoscopy/adverse effects/*methods
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Middle Aged
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Neoplasm Staging
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Pelvis/innervation
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Peripheral Nerve Injuries/etiology/*prevention & control
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Postoperative Period
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Urinary Bladder/*innervation/physiopathology
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Urodynamics
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Uterine Cervical Neoplasms/pathology/*surgery
4.Pazopanib as a second line treatment for uterine and ovarian carcinosarcoma: a single institutional study.
Tadaaki NISHIKAWA ; Kosei HASEGAWA ; Akira YABUNO ; Hiroyuki YOSHIDA ; Masanori YASUDA ; Eito KOZAWA ; Keiichi FUJIWARA
Journal of Gynecologic Oncology 2017;28(1):e25-
No abstract available.
Carcinosarcoma*
5.Relationship between the precursors of high grade serous ovarian cancer and patient characteristics: decreased incidence of the p53 signature in pregnant women
Tsutomu IDA ; Hiroyuki FUJIWARA ; Takahiro KIRIU ; Yoshimi TANIGUCHI ; Akira KOHYAMA
Journal of Gynecologic Oncology 2019;30(6):e96-
OBJECTIVE: To investigate the relationship between the precursors of high grade serous ovarian cancer (HGSOC) and the characteristics of patients with a low HGSOC risk in terms of the effects of pregnancy. METHODS: We prospectively examined consecutive cases in which the bilateral fallopian tubes were removed during benign gynecological or obstetric surgery and assessed the relationship between the patient characteristics, including parity and pregnancy, and the incidence of HGSOC precursors. All the fallopian tubes were examined by applying the Sectioning and Extensively Examining the Fimbriated End (SEE-FIM) Protocol. RESULTS: Of the 113 patients enrolled, 67 were gynecological and 46 were obstetric. The p53 signature was identified in 21 patients. No other precursors were identified. In a comparison of the p53 signature-positive and negative groups, parous women and pregnant women were significantly fewer in the p53 signature-positive group (53% vs. 86%, p=0.002, 10% vs. 47%, p=0.001, respectively). Current pregnancy was also associated with a significantly lower incidence of the p53 signature after multivariate adjustment (odds ratio [OR]=0.112; 95% confidence interval [95% CI]=0.017–0.731; p=0.022). Among gynecological patients, parous women were fewer in the p53 signature-positive group on univariate (47% vs. 73%, p=0.047) and multivariate analysis (OR=0.252; 95% CI=0.069–0.911; p=0.036). No other characteristics were associated with p53 signature positivity. CONCLUSIONS: The incidence of the p53 signature was significantly lower in parous women and pregnant women. This decreased incidence of early phase serous carcinogenesis may be one of the possible mechanisms underlying HGSOC risk reduction among parous women.
Carcinogenesis
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Cystadenocarcinoma, Serous
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Fallopian Tube Neoplasms
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Fallopian Tubes
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Female
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Humans
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Incidence
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Multivariate Analysis
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Obstetric Surgical Procedures
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Ovarian Neoplasms
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Parity
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Pregnancy
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Pregnant Women
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Prospective Studies
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Risk Reduction Behavior
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Tumor Suppressor Protein p53
6.Olaparib plus bevacizumab as maintenance therapy in patients with newly diagnosed, advanced ovarian cancer: Japan subset from the PAOLA-1/ENGOT-ov25 trial
Keiichi FUJIWARA ; Hiroyuki FUJIWARA ; Hiroyuki YOSHIDA ; Toyomi SATOH ; Kan YONEMORI ; Shoji NAGAO ; Takashi MATSUMOTO ; Hiroaki KOBAYASHI ; Hughes BOURGEOIS ; Philipp HARTER ; Anna Maria MOSCONI ; Isabel Palacio VAZQUEZ ; Alexander REINTHALLER ; Tomoko FUJITA ; Philip ROWE ; Eric PUJADE-LAURAINE ; Isabelle RAY-COQUARD
Journal of Gynecologic Oncology 2021;32(5):e82-
Objective:
The addition of maintenance olaparib to bevacizumab demonstrated a significant progression-free survival (PFS) benefit in patients with newly diagnosed, advanced ovarian cancer in the PAOLA-1/ENGOT-ov25 trial (NCT02477644). We evaluated maintenance olaparib plus bevacizumab in the Japan subset of PAOLA-1.
Methods:
PAOLA-1 was a randomized, double-blind, phase III trial. Patients received maintenance olaparib tablets 300 mg twice daily or placebo twice daily for up to 24 months, plus bevacizumab 15 mg/kg every 3 weeks for up to 15 months in total. This prespecified subgroup analysis evaluated investigator-assessed PFS (primary endpoint).
Results:
Of 24 randomized Japanese patients, 15 were assigned to olaparib and 9 to placebo. After a median follow-up for PFS of 27.7 months for olaparib plus bevacizumab and 24.0 months for placebo plus bevacizumab, median PFS was 27.4 versus 19.4 months, respectively (hazard ratio [HR]=0.34; 95% confidence interval [CI]=0.11–1.00). In patients with tumors positive for homologous recombination deficiency, the HR for PFS was 0.57 (95% CI=0.16–2.09). Adverse events in the Japan subset were generally consistent with those of the PAOLA-1 overall population and with the established safety and tolerability profiles of olaparib and bevacizumab.
Conclusion:
Results
in the Japan subset of PAOLA-1 support the overall conclusion of the PAOLA-1 trial demonstrating that the addition of maintenance olaparib to bevacizumab provides a PFS benefit in patients with newly diagnosed, advanced ovarian cancer.
7.Comparison with Magnetic Resonance Three-Dimensional Sequence for Lumbar Nerve Root with Intervertebral Foramen.
Hiroyuki TAKASHIMA ; Tsuneo TAKEBAYASHI ; Hiroki SHISHIDO ; Mitsunori YOSHIMOTO ; Rui IMAMURA ; Yoshihiro AKATSUKA ; Yoshinori TERASHIMA ; Hiroyoshi FUJIWARA ; Masateru NAGAE ; Toshikazu KUBO ; Toshihiko YAMASHITA
Asian Spine Journal 2016;10(1):59-64
STUDY DESIGN: Prospective study based on magnetic resonance (MR) imaging of the lumbar spinal root of the intervertebral foramen. PURPOSE: This study was to compare MR three-dimensional (3D) sequences for the evaluation of the lumbar spinal root of the intervertebral foramen. OVERVIEW OF LITERATURE: The diagnosis of spinal disorders by MR imaging is commonly performed using two-dimensional T1- and T2-weighted images, whereas 3D MR images can be used for acquiring further detailed data using thin slices with multi-planar reconstruction. METHODS: On twenty healthy volunteers, we investigated the contrast-to-noise ratio (CNR) of the lumbar spinal root of the intervertebral foramen with a 3D balanced sequence. The sequences used were the fast imaging employing steady state acquisition and the coherent oscillatory state acquisition for the manipulation of image contrast (COSMIC). COSMIC can be used with or without fat suppression (FS). We compared these sequence to determine the optimized visualization sequence for the lumbar spinal root of the intervertebral foramen. RESULTS: For the CNR between the nerve root and the peripheral tissue, these were no significant differences between the sequences at the entry of foramen. There was a significant difference and the highest CNR was seen with COSMIC-FS for the intra- and extra-foramen. CONCLUSIONS: In this study, the findings suggest that the COSMIC-FS sequences should be used for the internal or external foramen for spinal root disorders.
Diagnosis
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Healthy Volunteers
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Magnetic Resonance Imaging
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Prospective Studies
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Spinal Nerve Roots
8.An attempt to establish real-world databases of poly(ADP-ribose) polymerase inhibitors for advanced or recurrent epithelial ovarian cancer: the Japanese Gynecologic Oncology Group
Muneaki SHIMADA ; Kosuke YOSHIHARA ; Terumi TANIGAWA ; Hiroyuki NOMURA ; Junzo HAMANISHI ; Satoe FUJIWARA ; Hiroshi TANABE ; Hiroaki KAJIYAMA ; Masaki MANDAI ; Daisuke AOKI ; Takayuki ENOMOTO ; Aikou OKAMOTO
Journal of Gynecologic Oncology 2023;34(3):e62-
The development of new treatments for gynecological malignancies has been conducted mainly through collaborative international phase III trials led by the United States and Europe. The survival outcomes of many gynecological malignancies have greatly improved as a result. Recent large-scale genome-wide association studies have revealed that drug efficacy and adverse event profiles are not always uniform. Thus, it is important to validate new treatment options in each country to safely and efficiently provide newly developed treatment options to patients with gynecological malignancies. The Japanese Gynecologic Oncology Group (JGOG) is conducting 5 cohort studies (JGOG 3026, 3027, 3028, 3030, and 3031) to establish real-world data (RWD) of poly(ADP-ribose) polymerase (PARP) inhibitor use in patients with advanced or recurrent epithelial ovarian cancer. The RWD constructed will be used to provide newly developed PARP inhibitors for women with advanced or recurrent ovarian cancer in a safer and more efficient manner as well as to develop further treatment options. In 2022, The JGOG, Korean Gynecologic Oncology Group, Chinese Gynecologic Cancer Society, and Taiwanese Gynecologic Oncology Group established the East Asian Gynecologic Oncology Trial Group to collaborate with East Asian countries in clinical research on gynecologic malignancies and disseminate new knowledge on gynecologic malignancies from Asia. The JGOG will conduct a collaborative integrated analysis of the RWD generated from Asian countries and disseminate real-world clinical knowledge regarding new treatment options that have been clinically implemented.
9.Comparative Effects of Periarticular Multimodal Drug Injection and Single-Shot Femoral Nerve Block on Pain Following Total Knee Arthroplasty and Factors Influencing Their Effectiveness
Shuji NAKAGAWA ; Yuji ARAI ; Hiroaki INOUE ; Hiroyuki KAN ; Manabu HINO ; Shohei ICHIMARU ; Kazuya IKOMA ; Hiroyoshi FUJIWARA ; Fumimasa AMAYA ; Teiji SAWA ; Toshikazu KUBO
The Journal of Korean Knee Society 2016;28(3):233-238
PURPOSE: This study compared the analgesic effects of local infiltration analgesia (LIA) and femoral nerve block (FNB) after total knee arthroplasty (TKA) and assessed factors associated with analgesia obtained by these two methods. MATERIALS AND METHODS: Study subjects included 66 patients (72 knees) who underwent TKA for osteoarthritis of the knee. Pain visual analogue scale (VAS), the amount of analgesics used, number of days to achieve 90° of flexion of the knee joint, date of initiating parallel-bar walking, range of motion of the knee joint at discharge, and adverse events were investigated. RESULTS: The VAS scores did not differ significantly between two groups, whereas the amount of analgesics used was significantly lower in the LIA group. Preoperative flexion contracture was significantly more severe in the LIA group with high VAS compared with low VAS. No serious adverse event occurred in the LIA or FNB group. CONCLUSIONS: The lower analgesic usage in the LIA group than the FNB group indicates that the analgesic effect of LIA was greater than that of singleshot FNB after TKA. There were no serious complications in either group. The postoperative analgesic effect of LIA was smaller in patients with severe than less severe preoperative flexion contracture.
Analgesia
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Analgesics
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Arthroplasty
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Arthroplasty, Replacement, Knee
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Contracture
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Femoral Nerve
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Humans
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Knee
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Knee Joint
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Osteoarthritis
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Range of Motion, Articular
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Walking
10.Medial and Lateral Discoid Menisci of Both Knees
Hiroyuki KAN ; Yuji ARAI ; Shuji NAKAGAWA ; Hiroaki INOUE ; Ginjiro MINAMI ; Kazuya IKOMA ; Hiroyoshi FUJIWARA ; Toshikazu KUBO
The Journal of Korean Knee Society 2016;28(4):330-333
Discoid menisci on both the medial and lateral sides are rare, and there are very few reports on cases involving both sides. We report a case of a 52-year-old female with medial and lateral discoid menisci in both knees. Arthroscopy revealed the lateral menisci of both knees were complete discoid menisci, and partial meniscectomy was performed. The medial menisci were incomplete discoid menisci, but there were no findings of abnormal mobility or injury; therefore, the medial menisci were observed without treatment. At six months postoperatively, her pain and range of motion restrictions disappeared.
Arthroscopy
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Female
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Humans
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Knee
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Menisci, Tibial
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Middle Aged
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Range of Motion, Articular