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2.
J Ren Nutr ; 34(2): 161-169, 2024 Mar.
Article in English | MEDLINE | ID: mdl-37832838

ABSTRACT

OBJECTIVE: The Chronic Kidney Disease (CKD) practice facilitation program in the Frontier of Renal Outcome Modifications in Japan study reduced cardiovascular disease (CVD) events in patients with CKD. 10-year long-term survivors with CKD lived with serious complications, including end-stage kidney disease and CVD. This study aimed to measure health-related quality of life in 10-year long-term CKD survivors and examine the predictors and determinants of clinical indices for measured quality of life (QOL) scores. METHODS: The EQ-5D-5L, a generic preference-based instrument, was administered to 1,473 CKD survivors enrolled in the Frontier of Renal Outcome Modifications in JapanFrontier of Renal Outcome Modifications in JapanFrontier of Renal Outcome Modifications in Japan study. The 10th-year data collection was performed by either primary care physicians or participants who filled out questionnaires from October 2018 to March 31, 2019. RESULTS: The response rate was 38.2% (423/1,473). The mean QOL score was 0.893 (95% confidence interval (CI), 0.880-0.906), and the median QOL score was 1.000 (interquartile range (IQR), 0.826-1.000). The mean QOL score in participants with renal replacement therapy was 0.824 (95% CI, 0.767-0.881), and the median was 0.828 (IQR, 0.755-1.000). The mean QOL score in participants with CVD was 0.877 (95% CI, 0.811-0.943), and the median was 1.000 (IQR, 0.723-1.000). The mean QOL score in participants with 50% decline in estimated glomerular filtration was 0.893 (95% CI, 0.860-0.926), and the median was 0.889 (IQR, 0.825-1.000). The decrease in QOL scores with baseline CKD stages was significant according to the Jonckheere-Terpstra test for trend (P = .002). Baseline age, systolic blood pressure, and history of hyperuricemia were significant predictors of 10th-year QOL scores. CONCLUSION: We suggest that CKD complications negatively affect the QOL scores in 10-year long-term survivors with CKD. CKD guideline-based practices, prevention of end-stage kidney disease/CVD and management of hypertension, diabetes and hyperuricemia, might contribute to future health-related quality of life in patients with CKD.


Subject(s)
Cardiovascular Diseases , Hyperuricemia , Kidney Failure, Chronic , Renal Insufficiency, Chronic , Humans , Quality of Life , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/therapy , Cardiovascular Diseases/epidemiology , Survivors
3.
Nephrol Dial Transplant ; 38(1): 158-166, 2023 Jan 23.
Article in English | MEDLINE | ID: mdl-35195257

ABSTRACT

BACKGROUND: Practice facilitation program by multidisciplinary care for primary care physicians (PCPs) is expected to improve chronic kidney disease (CKD) outcomes, but there is no clear evidence of its long-term effectiveness. We have previously performed a cluster-randomized controlled trial for 3.5 years (the Frontier of Renal Outcome Modifications in Japan (FROM-J) study) with two arms-group A without the program and group B with the program. We aimed to assess the long-term effectiveness of the practice facilitation program on CKD outcomes via an extended 10-year follow-up of the FROM-J study. METHODS: We enrolled patients who were in the FROM-J study. The primary composite endpoint comprised cardiovascular disease (CVD), renal replacement therapy initiation and a 50% decrease in the estimated glomerular filtration rate (eGFR). The secondary endpoints were survival rate, eGFR decline rate and collaboration rate between PCPs and nephrologists. RESULTS: The occurrence of the primary composite endpoint tended to be lower in group B (group A: 27.1% versus group B: 22.1%, P = 0.051). Furthermore, CVD incidence was remarkably lower in group B (group A: 10.5% versus group B: 6.4%, P = 0.001). Although both mortality and the rate of eGFR decline were identical between both groups, the eGFR decline rate was significantly better in group B than in group A only in patients with stage G3a at enrollment (group A: 2.35 ± 3.87 mL/min/1.73 m2/year versus group B: 1.68 ± 2.98 mL/min/1.73 m2/year, P = 0.02). The collaboration rate was higher in group B. CONCLUSIONS: The CKD practice facilitation program for PCPs reliably decreases CVD events and may reduce the progression of cases to end-stage kidney disease.


Subject(s)
Cardiovascular Diseases , Renal Insufficiency, Chronic , Humans , Follow-Up Studies , Japan , Kidney , Renal Insufficiency, Chronic/complications , Glomerular Filtration Rate , Primary Health Care , Disease Progression
4.
Intern Med ; 62(15): 2171-2179, 2023 Aug 01.
Article in English | MEDLINE | ID: mdl-36543210

ABSTRACT

Objective The relationship between obesity and risk of death in chronic kidney disease (CKD) patients remains controversial. In addition, no clear evidence has been accumulated regarding whether or not exercise improves mortality in CKD patients. Methods The original cohort was based on a Japanese general population of 685,889 people from 40 to 74 years old who had undergone annual specific health checkups. The number of all-cause deaths during follow-up (mean, 4.7 years) in this study was 1,490. Information on walking and exercise habits was obtained by questionnaires. The study population was divided into 4 categories by the combination of CKD and obesity [body mass index (BMI) ≥25.0 kg/m2]. Changes in the BMI and walking and exercise habits were determined by results for the first year and following year. Results Obese CKD patients with weight gain (BMI increase by more than +1.0 kg/m2/year) showed a higher crude mortality (1.32%) than those with a stable BMI (within ±1.0 kg/m2/year; 0.69%). In the obese CKD population, mortality was higher with loss of exercise habits (0.96%) than in those continuously maintaining exercise habits (0.52%). The age- and sex-adjusted hazard ratio for all-cause death was 2.23 in the group with weight gain compared to the group with stable weight (p<0.01) and 2.08 in the group with loss of exercise habits compared to those who maintained exercise habits (p<0.01). Conclusion This observational cohort study suggested that loss of exercise habits as well as weight gain of more than 1 kg/m2/year might worsen all-cause mortality in the obese CKD population.


Subject(s)
East Asian People , Exercise , Obesity , Renal Insufficiency, Chronic , Adult , Aged , Humans , Middle Aged , Body Mass Index , Cohort Studies , Obesity/complications , Obesity/epidemiology , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/mortality , Risk Factors , Weight Gain
5.
J Biomed Inform ; 137: 104264, 2023 01.
Article in English | MEDLINE | ID: mdl-36462599

ABSTRACT

The demand for the privacy-preserving survival analysis of medical data integrated from multiple institutions or countries has been increased. However, sharing the original medical data is difficult because of privacy concerns, and even if it could be achieved, we have to pay huge costs for cross-institutional or cross-border communications. To tackle these difficulties of privacy-preserving survival analysis on multiple parties, this study proposes a novel data collaboration Cox proportional hazards (DC-COX) model based on a data collaboration framework for horizontally and vertically partitioned data. By integrating dimensionality-reduced intermediate representations instead of the original data, DC-COX obtains a privacy-preserving survival analysis without iterative cross-institutional communications or huge computational costs. DC-COX enables each local party to obtain an approximation of the maximum likelihood model parameter, the corresponding statistic, such as the p-value, and survival curves for subgroups. Based on a bootstrap technique, we introduce a dimensionality reduction method to improve the efficiency of DC-COX. Numerical experiments demonstrate that DC-COX can compute a model parameter and the corresponding statistics with higher performance than the local party analysis. Particularly, DC-COX demonstrates outstanding performance in essential feature selection based on the p-value compared with the existing methods including the federated learning-based method.


Subject(s)
Communication , Privacy , Proportional Hazards Models , Survival Analysis
6.
Clin Exp Nephrol ; 26(7): 669-677, 2022 Jul.
Article in English | MEDLINE | ID: mdl-35226215

ABSTRACT

BACKGROUND: The numbers of patients treated with hemodialysis (HD) in Japan are currently quantified by manual survey. As this method requires much effort from medical institutions and cannot achieve 100% response, a more practical method is required. We aimed to establish a novel method for determining the static and dynamic numbers of patients treated with HD. METHODS: This observational study used the national medical billing database (termed NDB) of Japan, based on the records of the universal healthcare insurance system. Medical billing data registered in the NDB between April 2011 and March 2015 were analyzed. From 130 billion records, we extracted and analyzed records of patients who had undergone HD at least once per month. Patients' monthly condition was classified as newly initiated HD, chronic HD, or presumed death, using conditional expressions. We also investigated renal outcome and presumed survival in newly initiated HD patients. RESULTS: In the last month of the study period, 274,100 patients were identified as receiving chronic HD, which is estimated as > 95% of the number of these patients identified in the manual survey so far. The monthly data showed clear seasonality in the incidence of transient HD, which increased in winter and decreased in summer. CONCLUSION: Analysis of a large national database revealed a significant increase in transient HD in winter and decrease in summer. Applied to additional epidemiological exploratory studies or clinical research, this analytical technique would enable collection of the dynamics of almost all HD patients nationwide.


Subject(s)
Kidney Failure, Chronic , Humans , Japan/epidemiology , Kidney Failure, Chronic/diagnosis , Kidney Failure, Chronic/epidemiology , Kidney Failure, Chronic/therapy , Renal Dialysis/adverse effects , Retrospective Studies , Treatment Outcome
7.
Nephrology (Carlton) ; 26(12): 981-987, 2021 Dec.
Article in English | MEDLINE | ID: mdl-34312938

ABSTRACT

AIM: Chronic kidney disease (CKD) is an important public health problem. Recently, CKD has been found to be associated with poor physical functioning in community-dwelling elderly individuals. However, the physical functioning of non-dialysis (ND) patients with advanced CKD treated by nephrologists is unknown. METHODS: Patients with ND-CKD stage G3b-5 who participated in a nationwide Reach-J CKD cohort study were included in this study. Physical functioning and physical activity were assessed by the Katz Index, Lawton-Body instrumental activities of daily living (IADL) scale, and Rapid Assessment of Physical Activity questionnaire of the international CKD Outcomes and Practice Patterns Study (CKDopps) questionnaires. Dichotomies between good and poor physical functioning and physical activity scores were explored. RESULTS: Among 1628 patients, 84.3% had good physical functioning. Poor physical functioning was more common with older age (p < .001), higher CKD stage (p < .05), and comorbid conditions such as diabetes (p < .001), cardiovascular disease (p < .05), cerebrovascular disease (p < .001), and cancer (non-skin) (p < .05). Forty percent of the patients were inactive. Physical inactivity was more common with older age (p < .001) and higher CKD stage (p < .001). CONCLUSION: A minority, but sizeable proportion of patients with advanced CKD treated by nephrologists in Japan have some disability in ADLs/IADLs. Nephrologists need to routinely assess the physical functioning and physical activity of patients with advanced CKD to provide individualized guidance and comprehensive support to these patients for their daily life.


Subject(s)
Activities of Daily Living , Exercise/physiology , Glomerular Filtration Rate/physiology , Renal Insufficiency, Chronic/physiopathology , Aged , Female , Follow-Up Studies , Humans , Incidence , Japan/epidemiology , Male , Prospective Studies , Renal Dialysis/methods , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/therapy
8.
Clin Exp Nephrol ; 25(8): 902-910, 2021 Aug.
Article in English | MEDLINE | ID: mdl-33881641

ABSTRACT

BACKGROUND: Disease-specific trajectories of renal function in advanced chronic kidney disease (CKD) are not well defined. Here, we compared these trajectories in the estimated glomerular filtration rate (eGFR) by CKD stages. METHODS: Patients with multiple eGFR measurements during the 5-year preregistration period of the REACH-J study were enrolled. Mean annual eGFR declines were calculated from linear mixed effect models with the adjustment variables of baseline CKD stage, age, sex and the current CKD stage and the level of proteinuria (CKDA1-3). RESULTS: Among 1,969 eligible patients with CKDG3b-5, the adjusted eGFR decline (ml/min/1.73 m2/year) was significantly faster in diabetic kidney disease (DKD) patients and polycystic kidney disease (PKD) patients than in patients with other kidney diseases (DKD, - 2.96 ± 0.13; PKD, - 2.82 ± 0.17; and others, - 1.95 ± 0.05, p < 0.01). The declines were faster with higher CKD stages. In DKD patients, the eGFR decline was significantly faster in CKDG5 than CKDG4 (- 4.10 ± 0.18 vs - 2.76 ± 0.20, p < 0.01), while these declines in PKD patients were similar. The eGFR declines in PKD patients were significantly faster than DKD patients in CKDG4 (- 2.92 ± 0.23 vs - 2.76 ± 0.20, p < 0.01) and in CKDA2 (- 3.36 ± 0.35 vs - 1.40 ± 0.26, p < 0.01). CONCLUSION: Our study revealed the disease-specific annual eGFR declines by CKD stages and the level of proteinuria. Comparing to the other kidney diseases, the declines in PKD patients were getting faster from early stages of CKD. These results suggest the importance of CKD managements in PKD patients from the early stages.


Subject(s)
Glomerular Filtration Rate , Kidney Failure, Chronic/physiopathology , Aged , Aged, 80 and over , Diabetic Nephropathies/complications , Diabetic Nephropathies/physiopathology , Female , Humans , Kidney Failure, Chronic/etiology , Male , Middle Aged , Polycystic Kidney Diseases/complications , Polycystic Kidney Diseases/physiopathology , Prospective Studies
9.
Transpl Infect Dis ; 23(2): e13468, 2021 Apr.
Article in English | MEDLINE | ID: mdl-32945064

ABSTRACT

Adenovirus (AdV) infection is a common complication in bone marrow/hematopoietic stem cell transplant and solid organ transplant recipients. AdV infection usually presents as hemorrhagic cystitis, but sometimes it can progress to acute kidney injury showing AdV nephritis (AdVN). We present the case of a 52-year-old Japanese female who had received a living kidney transplantation (KT) from her husband. At 21 months post-KT, the patient presented with a fever, but no renal dysfunction and no abnormal urine findings. A contrast-enhanced computed tomography (CT) scan revealed a few mass lesions with hypoperfusion in the transplanted kidney. An enhanced CT-guided biopsy targeting one of these lesions revealed a necrotizing tubulointerstitial nephritis suggesting AdVN. The polymerase chain reaction tests for ADV were negative in a urine sample but positive in the sera and the frozen kidney biopsy samples. AdVN can manifest as an unusual pattern of acute lobar nephritis/acute focal bacterial nephritis-like localization without symptoms of acute kidney injury or urinary tract infection. Enhanced CT can provide clues for clinical diagnosis.


Subject(s)
Adenoviridae Infections/complications , Nephritis , Acute Kidney Injury , Adenoviridae , Allografts , Female , Humans , Kidney , Middle Aged , Nephritis/virology , Urinary Tract Infections
10.
Intern Med ; 60(5): 765-770, 2021 Mar 01.
Article in English | MEDLINE | ID: mdl-32999239

ABSTRACT

A 28-year-old woman was admitted during the eighth week of her pregnancy because her clinical course was consistent with rapid progressive glomerulonephritis (RPGN). Anti-glomerular basement membrane antibody (anti-GBM Ab) and myeloperoxidase anti-neutrophil cytoplasmic antibody (MPO-ANCA) were positive, and the anti-GBM Ab titer being extremely high. She was treated with hemodialysis, plasma exchange and prednisolone. She survived the illness; however, neither the fetus nor her kidney function could be rescued. She had human leukocyte antigen (HLA)-DRB1*1502:01, which differs from the DRB1*1501 associated with anti-GBM GN. When patients have particular symptoms, we should check the urine and serum creatinine to exclude RPGN, even in cases of pregnancy.


Subject(s)
Glomerulonephritis , Peroxidase , Adult , Antibodies, Antineutrophil Cytoplasmic , Autoantibodies , Female , Glomerulonephritis/diagnosis , Humans , Kidney Glomerulus , Pregnancy , Pregnancy Trimester, First
11.
PLoS One ; 14(5): e0216432, 2019.
Article in English | MEDLINE | ID: mdl-31100069

ABSTRACT

To investigate how changes in eGFR can affect medical costs, a regional cohort of national health insurance beneficiaries in Japan was developed from a nationwide database system (Kokuho database, KDB), and non-individualized data were obtained. From 105,661 people, subjects on chronic dialysis and subjects without consecutive medical checkups were excluded. Finally, medical costs in the follow-up year categorized by annual changes in eGFR between baseline and the next year were longitudinally examined in 70,627 people ranging in age from 40 to 74 years. Global mean costs for subjects with a rapid decrease in eGFR (≤-30%/year) were the highest among all ΔeGFR categories. In men, the cost was 1.42 times that for a stable eGFR. A total of 6,268 (19.4%) men and 5,381 (14.0%) women with eGFR <60 ml/min/1.73 m2 were identified in the baseline year. The mean cost was higher with a low eGFR than without a low eGFR, and there were also higher proportions newly initiating dialysis in 2014 (low eGFR with rapid decrease in eGFR vs. with stable eGFR: 9.61% vs. 0.02% in women, P<0.001). Moreover, the costs for low eGFR subjects with a rapid decrease in eGFR were more than twice those of non-low eGFR subjects with a rapid decrease in eGFR and also compared to low eGFR subjects with a stable eGFR. Moreover, initiating chronic dialysis was considered one of the major causes of high medical costs in women with rapid eGFR decline. To the best of our knowledge, this is the first study of renal disease using a cohort developed from the KDB system recently established in Japan.


Subject(s)
Glomerular Filtration Rate , Renal Dialysis/economics , Renal Insufficiency, Chronic , Adult , Aged , Asian People , Cohort Studies , Costs and Cost Analysis , Female , Humans , Japan , Male , Middle Aged , Renal Insufficiency, Chronic/economics , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/therapy
12.
Ther Apher Dial ; 23(3): 253-260, 2019 Jun.
Article in English | MEDLINE | ID: mdl-31033151

ABSTRACT

Plasma exchange (PEX) can be an effective treatment in anti-neutrophil cytoplasmic antibody-associated vasculitis with severe renal damage; however, it is still controversial. Among cases of newly diagnosed AAV with rapidly progressive glomerulonephritis at our department from 2008 onward, 11 patients who received PEX (seven cases for severe renal damage [R-PEX] and four cases for lung hemorrhage [L-PEX]) were retrospectively analyzed. All cases of R-PEX were dependent on hemodialysis at the beginning of PEX and all received seven sessions of PEX (50 mL/kg or 1.3 plasma volume per exchange) within 2 weeks. All cases became dialysis-independent within 8 weeks, with 3- and 12-month cumulative renal survival rates of 100% and 80%, respectively. All cases of L-PEX retained their renal function. In rapidly developing, newly dialysis-dependent antibody-associated vasculitis with rapidly progressive glomerulonephritis patients with normal renal function before disease onset, standard PEX can be expected to induce sufficient renal recovery to establish dialysis independence.


Subject(s)
Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/epidemiology , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/therapy , Glomerulonephritis/epidemiology , Glomerulonephritis/therapy , Plasma Exchange/methods , Renal Dialysis/methods , Academic Medical Centers , Aged , Aged, 80 and over , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/diagnosis , Cohort Studies , Comorbidity , Disease Progression , Female , Follow-Up Studies , Glomerulonephritis/diagnosis , Humans , Japan , Kidney Function Tests , Male , Middle Aged , Retrospective Studies , Risk Assessment , Severity of Illness Index , Survival Rate , Treatment Outcome
13.
BMC Nephrol ; 19(1): 222, 2018 09 06.
Article in English | MEDLINE | ID: mdl-30189860

ABSTRACT

BACKGROUND: Corticosteroids are widely used to reduce the urine protein levels of patients with immunoglobulin A nephropathy (IgAN). However, their potential preventive effects on end-stage kidney disease (ESKD) are unclear. METHODS: We previously performed a large-scale, long-term multicenter cohort study of patients with biopsy-proven IgAN treated between 1981 and 2013 (n = 1923). Based on the results, we reported that corticosteroids pulse therapy was potentially effective for the treatment of patients with an eGFR ≥30 ml/min/1.73m2 and a urine protein amount of ≥1 g/gCr. In the present study, we extracted 766 patients with chronic kidney disease (CKD), stage G3-G4 (15 ≤ estimated glomerular filtration rate [eGFR] < 60 mL/min/1.73m2) from the same cohort. We divided these patients into a steroid pulse (SP) group, oral steroid (OS) group, and no steroid (NS) group, and analyzed the risk of end-stage kidney disease (ESKD) stratified by eGFR and urine protein (UP) amounts. RESULTS: Over the median long-term follow-up of 70 ± 115 months, 37.1% of the patients with UP ≥1.0 g/day and 11.2% of the patients with UP < 1.0 g/day reached ESKD. Among the patients with UP ≥1 g/gCr, the SP group showed significantly better renal outcome (p < 0.001) than the OS and NS groups. In patients with UP < 1 g/gCr, there were no differences in renal survival among the treatment groups. These trends appeared even in the CKD stage G4 patients, and were also apparent in patients taking renin-angiotensin system inhibitors. The unprecedented long-term observation period in this study may have been necessary to reveal the favorable effect of corticosteroids on ESKD progression. CONCLUSIONS: In our long-term multicenter study, Corticosteroids pulse therapy was associated with better renal outcomes in IgAN patients with higher UP values, even if their eGFR values were low.


Subject(s)
Adrenal Cortex Hormones/administration & dosage , Disease Progression , Glomerulonephritis, IGA/drug therapy , Renal Insufficiency, Chronic/drug therapy , Administration, Oral , Adult , Aged , Cohort Studies , Female , Follow-Up Studies , Glomerulonephritis, IGA/diagnosis , Glomerulonephritis, IGA/epidemiology , Humans , Male , Middle Aged , Pulse Therapy, Drug/methods , Renal Insufficiency, Chronic/diagnosis , Renal Insufficiency, Chronic/epidemiology , Retrospective Studies
14.
BMC Nephrol ; 18(1): 337, 2017 Nov 25.
Article in English | MEDLINE | ID: mdl-29178888

ABSTRACT

BACKGROUND: Anaemia is a common complication of patients with antineutrophil cytoplasmic antibody (ANCA)-associated renal vasculitis. Nevertheless, the cause and degree of such cases of anaemia have not been elucidated in detail. We aimed to investigate the prevalence, cause, pathogenesis of anaemia and the impact of anaemia on prognosis in patients with ANCA-associated renal vasculitis. METHODS: We identified 45 patients with ANCA-associated renal vasculitis that were clinically and/or histologically diagnosed and treated from 2003 to 2014 at University of Tsukuba Hospital. The relationships between anaemia and various clinicopathological findings were evaluated. RESULTS: At the time of diagnosis of ANCA-associated renal vasculitis, all patients showed anaemia, with a mean haemoglobin level of 7.5 ± 1.3 g/dL. Renal anaemia was diagnosed in 92% of patients, anaemia of chronic disease (ACD) in 56%, and anaemia due to hemorrhage in 20%. Next, the patients were divided into two groups according to anaemia severity: minimum haemoglobin (min Hb) < 7.5 (n = 24) and min Hb ≥ 7.5 (n = 21). A comparison of baseline characteristics showed that serum albumin, maximum serum creatinine, minimum estimated glomerular filtration rate (eGFR), serum cystatin C, and the area of tubulointerstitial damage were significantly different between the haemoglobin groups (p < 0.05). No significant intergroup differences were observed in iron-related or inflammation-related data. With regard to the relationship between anaemia severity and prognosis, patients in the min Hb < 7.5 group tended to have a lower eGFR. Anaemia severity was associated with markedly lower survival (Log-rank test, p = 0.03). CONCLUSIONS: In this cohort of patients with ANCA-associated renal vasculitis, all subjects exhibited anaemia. In regard to the cause and pathogenesis, the most prevalent form of anaemia was renal anaemia, not ACD, and a potential reason for the high prevalence of anaemia in our cohort may have been the interaction between renal anaemia and ACD. Moreover, anaemia severity was significantly associated with the degree of renal dysfunction and life prognosis.


Subject(s)
Anemia/blood , Anemia/etiology , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/blood , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/complications , Antibodies, Antineutrophil Cytoplasmic/blood , Aged , Aged, 80 and over , Anemia/diagnosis , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/diagnosis , Cohort Studies , Female , Humans , Male , Middle Aged , Retrospective Studies
15.
Intern Med ; 56(5): 563-565, 2017.
Article in English | MEDLINE | ID: mdl-28250306

ABSTRACT

Body lateropulsion is known to be caused commonly by lateral medullary lesions but rarely by pontine lesions. It is also known to be associated with lesions of the dorsal spinothalamic tract or ascending graviceptive pathways. We herein report the case of a 75-year-old woman presenting with contralateral lateropulsion and cerebellar tremor caused by pons infarction. To our knowledge, this is the first case report of pontine infarction causing both lateropulsion and cerebellar tremor. Our case may be helpful in anatomical studies of ascending graviceptive pathways.


Subject(s)
Brain Stem Infarctions/complications , Pons/diagnostic imaging , Postural Balance/physiology , Sensation Disorders/etiology , Tremor/etiology , Aged , Brain Stem Infarctions/diagnostic imaging , Brain Stem Infarctions/physiopathology , Diffusion Magnetic Resonance Imaging/methods , Female , Humans
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