Publications by authors named "Okazaki J"

Objective: This study aimed to compare treatment outcomes between graft replacement and aneurysmorrhaphy with ligation of the aortic side branches for type 2 endoleaks after endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms.

Methods: We retrospectively analyzed multicenter data of patients who underwent open surgical conversion, including graft replacement or aneurysmorrhaphy with ligation of the aortic side branches (graft preservation) for the treatment of type 2 endoleaks between 2007 and 2022. The endpoints were postoperative complications, 30-day mortality, overall survival, and reintervention or sac expansion after open surgical conversion.

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Intravenous drug administration delivers medication directly into the bloodstream, providing rapid and controlled effects, making it highly beneficial for emergencies or when immediate drug action is required. However, several risks are associated with intravenous drug administration, including infiltration and extravasation, which can lead to serious complications due to the rapid absorption of medication to the surrounding tissues. To prevent complications, here we proposed a non-contact sensor module to rapidly detect such events.

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Background: Prolonged grief disorder (PGD) is a new diagnostic entity. However, treatment for PGD is not yet available. Interpersonal psychotherapy (IPT) may be effective for PGD.

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Aim: Patients' and spouses' neurodevelopmental traits may influence marital relationships, which are significantly associated with depressive symptoms. However, no studies have examined marital relationships in persistent depressive disorder (PDD) in terms of neurodevelopmental traits. This study aimed to explore the association between the autism spectrum disorder (ASD) or attention-deficit/hyperactivity disorder (ADHD) traits of female PDD patients and both partners' (patient and husband) marital satisfaction.

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Introduction: Pancreatic serous cystic neoplasm (SCN) is usually benign and is often managed using imaging surveillance if asymptomatic. It has a higher incidence in females but is rare in younger age groups. Acute hemorrhagic complications associated with SCN are infrequent.

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In a previous study, we successfully coated hydroxyapatite (HAp) onto titanium (Ti) plates using the erbium-doped yttrium aluminum garnet pulsed-laser deposition (Er:YAG-PLD) method. In this study, we performed further experiments to validate the in vitro osteogenic properties, macrophage polarization, and in vivo osseointegration activity of HAp-coated Ti (HAp-Ti) plates and screws. Briefly, we coated a HAp film onto the surfaces of Ti plates and screws via Er:YAG-PLD.

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Introduction: The efficacy and safety of uterine artery embolization (UAE) and prophylactic resuscitative endovascular balloon occlusion of the aorta (REBOA) against postpartum hemorrhage (PPH) in pregnant women after kidney transplantation have not been reported. Here, we describe a case of PPH associated with placenta previa in pregnancy following kidney transplantation, which was managed with UAE and prophylactic REBOA.

Case Presentation: A 35-year-old, gravida 2, para 1 woman with total placenta previa presented with vaginal bleeding (460 mL) at 33 weeks and 3 days of gestation.

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Objectives: The effectiveness of postoperative medication for the prevention of late graft failure is controversial. We conducted the present study to investigate whether cilostazol improved the mid-term outcomes after infrainguinal autologous vein bypass for chronic limb-threatening ischemia (CLTI).

Methods: From April 1994 to March 2022, we performed 590 de novo infrainguinal bypass procedures using autologous vein grafts (AVGs) in three hospitals.

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To estimate the effectiveness of balloon aortic valvuloplasty (BAV) for severe aortic stenosis (SAS) in patients scheduled for open surgery for chronic limb-threatening ischemia. Clinical data of patients from 2012 to 2018 were retrieved and summarized. The early outcomes and survival after BAV and open bypass were retrospectively investigated.

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Purpose: The purpose of this study is to investigate the effects of denture adhesives on masticatory performance via a 10-center, parallel, randomized, controlled trial of complete denture wearers in Japan.

Methods: The trial was conducted between September 2013 and October 2016. The inclusion criteria were complete edentulism, willingness to undergo new complete denture treatment, and willingness to return for recall treatment.

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Purpose: To compare the 3-year clinical outcomes of endoluminal bypass with those of surgical bypass for complex femoropopliteal (FP) arterial lesions.

Materials And Methods: In this retrospective multicenter study, 530 patients with symptomatic peripheral artery disease (Rutherford classification 1-3, 66.0%; 4-6, 34.

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Article Synopsis
  • The study investigated the impact of different types of denture adhesives on retention and occlusal force in edentulous patients using a controlled trial design.
  • Two hundred patients were divided into three groups: those using powder-type adhesive, cream-type adhesive, and a control group with saline, and these were tested over a 4-day period.
  • Results showed that cream-type adhesives significantly enhanced denture retention and occlusal force, especially for patients with a moderate level of treatment difficulty, while powder-type adhesives did not show similar improvements.
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Pure titanium is used in dental implants owing to its excellent biocompatibility and physical properties. However, the aging of the material during storage is detrimental to the long-term stability of the implant after implantation. Therefore, in this study, we attempted to improve the surface properties and circumvent the negative effects of material aging on titanium implants by using a portable handheld nonthermal plasma device capable of piezoelectric direct discharge to treat pure titanium discs with nitrogen gas.

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Objective: To develop a short version of the 25-question Geriatric Locomotive Function Scale-Portuguese and to create an algorithm for locomotive syndrome screening and management.

Methods: The 25-question Geriatric Locomotive Function Scale-Portuguese was applied to individuals aged 60 years or older seen at the Geriatrics and Gerontology Department of Universidade Federal de São Paulo, between 2016 and 2018. Items of the 25-question Geriatric Locomotive Function Scale-Portuguese were submitted to exploratory factor analysis using the principal component method.

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Bereavement-related major depressive disorder (MDD) is a common disorder with both mental and physical effects. Specific psychotherapies for bereavement-related MDD remain unavailable in Japan despite its relatively high prevalence. Interpersonal psychotherapy (IPT) is a treatment with established efficacy for MDD, including bereavement-related MDD.

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Article Synopsis
  • Cystic adventitial disease of the popliteal artery is a rare condition causing leg pain (claudication) and typically affects younger patients without classic cardiovascular risk factors.
  • A 62-year-old man with right leg claudication underwent treatments like angioplasty but faced a recurrence of symptoms, eventually leading to a diagnosis of cystic adventitial disease.
  • Surgical intervention proved effective, as it fully resolved his symptoms, suggesting that surgery is better than endovascular options for this condition and calling for improved diagnostic techniques using advanced imaging methods.
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The surface of titanium (Ti) dental implants must be modified to improve their applicability, owing to the biological inertness of Ti. This study aims to use sandblasting as a pretreatment method and prepare a hydroxyapatite (HA) coating on Ti to improve its biocompatibility and induce bone bonding and osteogenesis. In this paper, sandblasted Ti discs were coated with α-tricalcium phosphate (α-TCP) via Er:YAG pulsed laser deposition (Er:YAG-PLD).

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Recent advances in dental materials involving the development of various biomaterials have been reported. Accordingly, clinicians must incorporate the new dental materials in their practice to respond to the increasing needs of patients. Nanotechnology is defined as a science that deals with nanoscale materials.

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Standard zirconia implants used in restoration still present problems related to inertness and long-term stability. Various physicochemical approaches have been used to modify the implant surfaces to improve early and late bone-to-implant integration; however, no ideal surface modification has been reported. This study used pulsed laser deposition to deposit a fluorinated hydroxyapatite (FHA) film on a zirconia implant to create a biologically active surface.

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Polyetheretherketone (PEEK) is a potential substitute for conventional metallic biomedical implants owing to its superior mechanical and chemical properties, as well as biocompatibility. However, its inherent bio-inertness and poor osseointegration limit its use in clinical applications. Herein, thin titanium films were deposited on the PEEK substrate by plasma sputtering, and porous nanonetwork structures were incorporated on the PEEK surface by alkali treatment (PEEK-TNS).

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The immunomodulatory antibacterial activity and osteoimmunomodulatory properties of implantable biomaterials significantly influence bone regeneration. Various types of ultraviolet (UV) instrument are currently in use to greatly enhance the antibacterial activity and osteoconductive capability of titanium, it remains unclear how UV treatment modulates immune response. Compared to traditional UV treatment, the combination of low-dose ozone with UV irradiation is considered a new option to give benefits to surface modification and reduce the drawbacks of UV and ozone individually.

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Background: Rapid emergence from general anaesthesia is desirable only if safety is not sacrificed. Mechanical hyperventilation during hypercapnia produced by carbon dioxide infusion into the inspired gas mixture or by rebreathing was reported to shorten emergence time from inhalation anaesthesia.

Objectives: To test the hypothesis that hypercapnia produced by hypoventilation before desflurane cessation shortens emergence time from general anaesthesia (primary hypothesis) and reduces undesirable cardiorespiratory events.

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In this paper, we suggest that the atmospheric pressure plasma treatment of pure titanium metal may be useful for improving the ability of rat bone marrow cells (RBMCs) to induce hard tissue differentiation. Previous studies have reported that the use of argon gas induces a higher degree of hard tissue formation. Therefore, this study compares the effects of plasma treatment with argon gas on the initial adhesion ability and hard tissue differentiation-inducing ability of RBMCs.

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Background: Although evidence has indicated a positive effect of transcranial direct current stimulation (tDCS) on reducing pain, few studies have focused on the elderly population with knee osteoarthritis (KOA).

Objective: To evaluate whether tDCS reduces KOA pain in elderly individuals with a dysfunctional descending pain inhibitory system (DPIS).

Methods: In a double-blind trial, individuals ≥ 60 years with KOA pain and a dysfunctional DPIS, we randomly assigned patients to receive 15 daily sessions of 2 mA tDCS over the primary motor cortex (anode) and contralateral supraorbital area (cathode) (M1-SO) for 20 min or sham tDCS.

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Objectives: The aim of this study was to determine the relationship between preoperative nutritional status and wound healing in patients undergoing surgical reconstruction for ischemic tissue loss.

Methods: The preoperative nutritional status of patients who underwent surgical reconstruction for ischemic tissue loss for the years 2011-2018 was retrospectively estimated using the Controlling Nutritional Status (CONUT) score. Patients were allocated to two groups: Group I, normal nutrition or mild malnutrition (CONUT score ≤4), and Group II, moderate-to-severe malnutrition (CONUT score ≥5).

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