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  • SAGE Publications  (7)
  • 2020-2024  (7)
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  • SAGE Publications  (7)
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  • 2020-2024  (7)
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  • 1
    Online Resource
    Online Resource
    Increased hip flexion angle and protrusion of the anterior acetabular component can predict symptomatic iliopsoas impingement after total hip arthroplasty: a retrospective study
    SAGE Publications ; 2022
    In:  HIP International
    Details
    In: HIP International, SAGE Publications
    Abstract: Iliopsoas impingement (IPI) is a known complication of total hip arthroplasty (THA). The aim of this study was to identify risk factors and the cut-off cup protrusion length for symptomatic IPI. Methods: We retrospectively reviewed 218 hips (46 men, 172 women) of 190 consecutive Japanese patients who underwent primary THA at our institution. Hips with IPI ( n = 24) and control hips ( n = 194) were compared according to age, body mass index, and clinical scores. We evaluated leg-length discrepancy, global offset, implant alignment angles, pelvic inclination, and anterior cup protrusion on plain radiographs and computed tomography scans. Results: Symptomatic IPI had an incidence of 11.0% and a predilection for hips with osteonecrosis. Pre- and postoperative hip flexion angles were significantly greater in hips with symptomatic IPI ( p = 0.013 and p = 0.006, respectively). Cup protrusion length was significantly greater in hips with IPI (4.7 mm vs. 1.4 mm; p = 0.001). Receiver-operating characteristic curve analysis identified a threshold cup protrusion length of 3.9 mm (sensitivity 0.89, specificity 0.63) for symptomatic IPI. The incidence of symptomatic IPI tended to be lower in patients with greater posterior pelvic sagittal inclination despite the cup protrusion length being greater. Conclusions: An increased hip flexion angle and protrusion of the anterior acetabular component predicted symptomatic IPI. The threshold cup protrusion length suggesting mild IPI might be about 3.9 mm and could be useful for identifying candidates for conservative treatment.
    Type of Medium: Online Resource
    ISSN: 1120-7000 , 1724-6067
    URL: Article
    DOI: 10.1177/11207000221128879
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 1475775-8
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  • 2
    Online Resource
    Online Resource
    A Case Report of Carcinoid With Teratoma Arising From the Renal Hilum
    SAGE Publications ; 2024
    In:  International Journal of Surgical Pathology
    Details
    In: International Journal of Surgical Pathology, SAGE Publications
    Abstract: Teratoma is a germ cell tumor composed of 2 or 3 germ cell layers, and it can occur in various parts of the human body. However, teratomas of the renal hilum are particularly rare, and those complicated by carcinoids are even more uncommon. Herein, we report the example of an asymptomatic 49-year-old woman in whom a tumor in the right renal hilum was unexpectedly discovered on imaging. Histological examination revealed a carcinoid tumor arising from a simple cyst composed of teratomatous tissue. Although the tumor was located in the renal hilum and touched the renal parenchyma, it appeared independent of the kidney and urinary tract. This report highlights the rare occurrence of teratomas with carcinoids and provides insights into their origins.
    Type of Medium: Online Resource
    ISSN: 1066-8969 , 1940-2465
    URL: Article
    DOI: 10.1177/10668969241228299
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2024
    detail.hit.zdb_id: 2070102-0
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  • 3
    Online Resource
    Online Resource
    Congenital cytomegalovirus infection after maternal primary infection in a patient with systemic lupus erythematosus: A case report and literature review
    SAGE Publications ; 2022
    In:  Lupus Vol. 31, No. 2 ( 2022-02), p. 256-260
    Details
    In: Lupus, SAGE Publications, Vol. 31, No. 2 ( 2022-02), p. 256-260
    Abstract: Management of infectious complications in pregnant women receiving immunosuppressive therapy for systemic lupus erythematosus (SLE) is important. Maternal infection with cytomegalovirus (CMV) often causes congenital CMV infection in the foetus. Thus far, there are only few reports on congenital CMV infection after maternal reactivation in patients with SLE. We report the first case of congenital CMV infection after maternal primary infection in a patient with SLE. Case presentation A 19-year-old Japanese primigravida with SLE received treatment with prednisolone 3 mg/day and azathioprine 75 mg/day at conception. At 7 weeks of gestation, she suddenly developed fever and had decreased white blood cell and platelet counts and elevated aspartate aminotransferase and alanine aminotransferase levels. These clinical findings led to a diagnosis of SLE exacerbation. The prednisolone dose was increased to 15 mg/day, and hydroxychloroquine (200 mg/day) was administered. Consequently, all clinical findings normalised at 12 weeks. At 19 weeks, foetal ultrasound findings revealed oligohydramnios, brain hypoplasia, ventriculomegaly and hyperechogenic bowel. Maternal serological test results indicated increased CMV-specific IgG and IgM levels, low IgG avidity (26%), and positive CMV antigenemia. The foetus was diagnosed with symptomatic congenital CMV infection transmitted from the maternal primary infection. After counselling about the severe prognosis of the foetus, the mother decided to terminate her pregnancy and underwent artificial abortion at 21 weeks. Discussion The foetus of a mother with SLE who is receiving immunosuppressive therapy may be at increased risk of transmission and aggravation of congenital CMV infection; thus, preventive management and screening for congenital CMV infection during pregnancy are recommended for such patients. Maternal CMV infection shows clinical findings similar to those of SLE exacerbation, and careful differential diagnosis by maternal serological evaluation and foetal ultrasound scans is required.
    Type of Medium: Online Resource
    ISSN: 0961-2033 , 1477-0962
    URL: Article
    DOI: 10.1177/09612033221074180
    RVK:
    XA 10000
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2008035-9
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  • 4
    Online Resource
    Online Resource
    Postoperative radiographic evaluation and simulation study for optimal cup placement in high-hip centre total hip arthroplasty
    SAGE Publications ; 2021
    In:  HIP International Vol. 31, No. 3 ( 2021-05), p. 335-341
    Details
    In: HIP International, SAGE Publications, Vol. 31, No. 3 ( 2021-05), p. 335-341
    Abstract: Achieving favourable outcomes in high-hip centre reconstruction in hip dysplasia requires the optimal cup height and size, which can provide sufficient bone coverage for stable cup fixation that fits the anteroposterior acetabular rim without increasing the cup height more than necessary. Methods: We retrospectively reviewed 214 patients who underwent primary total hip arthroplasty (THA) and identified 30 hips with Crowe II ( n = 15) or III ( n = 15) developmental dysplasia of the hip (DDH). We measured the cup-centre-edge angle (cup-CE) and the vertical and horizontal distances from the teardrop. In a simulation study, we examined the cup-CE and optimal cup size by changing the cup height in 5-mm increments over a distance of 15–40 mm above the inter-teardrop line using a 3-dimensional template system. Results: Postoperative radiographic evaluation revealed a mean cup-CE of 19.9° in Crowe II hips and 15.2° in Crowe III hips; the respective mean vertical distances were 26.6 mm and 27.6 mm ( p = 0.511). There was no evidence of cup loosening or lateralisation at a minimum of 7 years (7–11 years) follow-up. Simulation showed that the hip centre needed to be elevated to 20 mm to acquire a cup-CE of more than 0°. More than 10° of cup-CE could be expected by elevating the hip centre to 25 mm in both Crowe II and III. Conclusions: Even in severe DDH, a high-hip centre positioned approximately 25 mm superior to the inter-teardrop line was sufficient to achieve optimal bone coverage, which could lead to more secure cup fixation.
    Type of Medium: Online Resource
    ISSN: 1120-7000 , 1724-6067
    URL: Article
    DOI: 10.1177/1120700019884547
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 1475775-8
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  • 5
    Online Resource
    Online Resource
    Angioscopic Findings of Stenosis Versus Occlusion in Femoropopliteal Artery Disease
    SAGE Publications ; 2023
    In:  Journal of Endovascular Therapy Vol. 30, No. 2 ( 2023-04), p. 223-231
    Details
    In: Journal of Endovascular Therapy, SAGE Publications, Vol. 30, No. 2 ( 2023-04), p. 223-231
    Abstract: Despite the increase in the number of patients with peripheral artery disease (PAD), the pathophysiology is not fully elucidated. Recently, angioscopy with a 0.48-megapixel equivalent resolution camera became available for patients with PAD. We aimed to compare the plaque component between native stenosis and occlusion in the femoropopliteal artery using this modality. Materials and Methods: Thirty-two consecutive patients who underwent endovascular treatment for native femoropopliteal artery disease with angioscopy were studied. The major angioscopic classifications of each lesion were defined as follows: atheromatous plaque (AP) was defined as luminal narrowing without any protrusion, calcified nodule (CN) was defined as a protruding bump with surface irregularity, a mainly reddish thrombus was defined as organizing thrombus (OG), and organized thrombus (OD) was defined by more than half of the thrombus showing a whitish intima-like appearance. Results: A total of 34 lesions (stenosis, n=18; occlusion, n=16) from 32 patients were included. All stenotic lesions showed AP or CN (n=8 [44%], n=10 [56%] , respectively), whereas all occluded lesions showed OG or OD (n=5 [31%], n=11 [69%] , respectively), which amounted to a statistically significant difference (p 〈 0.001). In occluded lesions, stiff wires ( 〉 3 g) were required to cross all lesions classified as OD, whereas this was not always necessary for lesions classified as OG (11 [100%] of 11, 1 [25%] of 5, respectively; p=0.04). Yellow color plaques were observed to a similar degree in all angioscopic classifications. Major adverse limb events, defined as amputation and any reintervention at 12 months, were highly variable, depending on the angioscopic findings, and tended to be more frequently observed in CN and OD (13% in AP, 40% in CN, 0% in OT, and 36% in OD, p=0.25). Conclusion: Angioscopy revealed varying components in stenosis and occlusion with different degrees of clinical impact. This may provide new information on the pathophysiology of PAD.
    Type of Medium: Online Resource
    ISSN: 1526-6028 , 1545-1550
    URL: Article
    DOI: 10.1177/15266028221079759
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2049858-5
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  • 6
    Online Resource
    Online Resource
    Supernormal Antithrombin Activity Is an Independent Predictor of In-Hospital Mortality in Patients With Sepsis: A Retrospective Observational Study
    SAGE Publications ; 2020
    In:  Clinical and Applied Thrombosis/Hemostasis Vol. 26 ( 2020-01-01), p. 107602962091282-
    Details
    In: Clinical and Applied Thrombosis/Hemostasis, SAGE Publications, Vol. 26 ( 2020-01-01), p. 107602962091282-
    Abstract: Supernormal antithrombin (AT) activity is rare in patients with sepsis. This study compared mortality rate of patients with sepsis and supernormal AT activity with that of other patients. This retrospective study included patients with sepsis from 42 intensive care units (ICUs) in Japan. Patients were included if their AT activity was measured on ICU admission, and if they did not receive AT concentrate. They were categorized into low, normal, and supernormal with respective AT activity of ≤70%, 〉 70% to ≤100%, and 〉 100%. The primary outcome was hospital in-patient mortality. Nonlinear regression analysis showed that mortality risk gradually increased with AT activity in the supernormal range, but without statistical significance. Survival rate was significantly lower in low (67%) and supernormal (57%) AT groups than in the normal AT group (79%; P 〈 .001 and P = .008, respectively). After adjusting for disease severity and AT activity on day 2, supernormal AT activity was the only independent predictor of mortality. Sepsis with supernormal AT activity associated with high mortality, independent of disease severity, might be a predictor of in-hospital mortality.
    Type of Medium: Online Resource
    ISSN: 1076-0296 , 1938-2723
    URL: Article
    DOI: 10.1177/1076029620912827
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2020
    detail.hit.zdb_id: 2230591-9
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  • 7
    Online Resource
    Online Resource
    Neointimal characteristic changes following drug-coated balloons in lesions with repeated revascularization
    SAGE Publications ; 2023
    In:  Therapeutic Advances in Cardiovascular Disease Vol. 17 ( 2023-01)
    Details
    In: Therapeutic Advances in Cardiovascular Disease, SAGE Publications, Vol. 17 ( 2023-01)
    Abstract: Since their emergence, drug-coated balloons (DCBs) have been used widely to treat in-stent lesions with coronary artery disease (CAD). However, despite their superior efficacy to balloon angioplasty, how DCBs affect neointimal characteristics is poorly understood. Objectives: We aimed to assess the neointimal characteristic changes following DCB treatment. Methods: Using optical frequency domain imaging (OFDI), we serially observed the in-stent lesion site just after and 1 year after DCB angioplasty in 12 lesions of 11 patients with repeated revascularization. Neoatherosclerosis was defined as lipid-laden neointima with or without calcification in the stented lesion. Progression or regression of neoatherosclerosis, newly formed neointimal calcification, newly formed uncovered strut and newly formed evagination were assessed. Tiny tissue protrusion was also recorded as mushroom-like protrusion. Results: Underlying stents were first-generation ( n = 5) or newer ( n = 7) drug-eluting stents (DESs) with implantation durations ranging from 1 to 15 years (median 8 years). Surprisingly, two-thirds of the lesions (67%, 8 of 12) showed progression of neoatherosclerosis, while a quarter of lesions (25%, 3 of 12) showed regression of neoatherosclerosis. The maximal lipid arc increased from 122° to 174°. Newly formed neointimal calcification was observed in 2 of 12 lesions (16%). Newly formed uncovered struts (33%; 4 of 12) and newly formed evaginations (33%; 4 of 12) were not rare. Mushroom-like protrusion was found in a quarter of lesions (25%; 3 of 12). Conclusion: Our study demonstrated that a considerable number of lesions showed varied neointimal characteristic changes in a small number of patients. Further studies in a larger population are needed to understand the clinical impact of these findings.
    Type of Medium: Online Resource
    ISSN: 1753-9447 , 1753-9455
    URL: Article
    DOI: 10.1177/17539447231199660
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2387507-0
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