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Obayashi K, Saeki K, Tai Y, Yamagami Y, Esaki Y, Yoshikawa T, Sugie K, Kataoka H. Daily light exposure profiles and the association with objective sleep quality in patients with Parkinson's disease: The PHASE study. Sleep 2024:zsae036. [PMID: 38330229 DOI: 10.1093/sleep/zsae036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Indexed: 02/10/2024] Open
Abstract
STUDY OBJECTIVES Light information crucially influences the sleep initiation and continuity. The purpose of this study was to compare daily light exposure between patients with Parkinson's disease (PD) and non-PD older adults and evaluate the association of daily light exposure with objective sleep measures in patients with PD. METHODS In this cross-sectional study of 189 outpatients with PD and 1101 community dwelling older adults (controls), daily light exposure was measured using wrist light meters during the daytime and light meters set in the bedrooms during the nighttime, and objective sleep quality was measured by wrist actigraphy. RESULTS The median duration of exposure to ≥1000 lux light was significantly shorter in patients with PD than in controls. The median nighttime light intensity was higher in patients with PD than in controls. Among patients with PD, multivariable analysis suggested that the highest quartile of exposure to ≥1000 lux light during the daytime was linked to significantly higher sleep efficiency by 8.0% and shorter wake after sleep onset (WASO) by 36.9 min than the lowest quartile. During the nighttime, the highest quartile of mean light intensity had significantly lower sleep efficiency by 6.8%, longer WASO by 24.1 min, longer sleep onset latency, and higher fragmentation index, than the lowest quartile. Importantly, daytime and nighttime light levels were independently associated with objective sleep measures. CONCLUSION The present study illustrated that greater daytime light exposure and lower nighttime light exposure are significantly associated with better objective sleep measures in patients with PD.
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Affiliation(s)
- Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Yoshiaki Tai
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Yuki Yamagami
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Yuichi Esaki
- Department of Psychiatry, Fujita Medical University School of Medicine, Aichi, Japan
| | - Tadanobu Yoshikawa
- Department of Ophthalmology, Nara Medical University School of Medicine, Nara, Japan
| | - Kazuma Sugie
- Department of Neurology, Nara Medical University School of Medicine, Nara, Japan
| | - Hiroshi Kataoka
- Department of Neurology, Nara Medical University School of Medicine, Nara, Japan
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Circadian variability of objective sleep measures predicts the relapse of a mood episode in bipolar disorder: findings from the APPLE cohort. Psychiatry Clin Neurosci 2023; 77:442-448. [PMID: 37092883 DOI: 10.1111/pcn.13556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/28/2023] [Accepted: 04/15/2023] [Indexed: 04/25/2023]
Abstract
AIM Sleep disturbance, a core feature of bipolar disorder, is closely associated with mood symptoms. We examined the association between actigraphy sleep parameters and mood episode relapses in patients with bipolar disorder. METHODS This prospective cohort study analyzed 193 outpatients with bipolar disorder who participated in the Association between the Pathology of Bipolar Disorder and Light Exposure in Daily Life (APPLE) cohort study. The participants' sleep was objectively evaluated via actigraphy over seven consecutive days for the baseline assessment and then at the 2-year follow-up appointment for mood episode relapses. The actigraphy sleep parameters were presented using the mean and variability (standard deviation) of each sleep parameter for 7 days. RESULTS Of the 193 participants, 110 (57%) experienced mood episodes during follow-up. The participants with higher variability in total sleep time had a significantly shorter mean estimated time to mood episode relapses than those with lower variability (12.5 vs. 16.8 months; P < 0.001). The Cox proportional hazards model, when adjusted for potential confounders, demonstrated that variability in total sleep time was significantly associated with an increase in the mood episode relapses (per hour; hazard ratio [HR], 1.407; 95% confidence interval (CI), 1.057-1.873), mainly in the depressive episodes (per hour; HR, 1.477; 95% CI, 1.088-2.006). CONCLUSIONS Our findings suggest that consistency in sleep time might be useful, as an adjunct therapy, in preventing the recurrence or relapse of mood episodes in bipolar disorder.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Toyoake, Japan
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Toyoake, Japan
- Department of Psychiatry, The Neuroscience Research Center, Toyoake, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Habitual light exposure and circadian activity rhythms in bipolar disorder: A cross-sectional analysis of the APPLE cohort. J Affect Disord 2023; 323:762-769. [PMID: 36538951 DOI: 10.1016/j.jad.2022.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 10/04/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Circadian activity rhythm disruption is a core feature in bipolar disorder. We investigated whether light exposure in daily life is associated with circadian activity rhythms in patients with bipolar disorder. METHODS In a cross-sectional study, we enrolled 194 outpatients with bipolar disorder who were participants of the Association between Pathology of Bipolar Disorder and Light Exposure in Daily Life (APPLE) cohort study. The participants' physical activity and daytime illuminance were measured using an actigraph over 7 consecutive days. Nighttime illuminance in the bedroom was measured using a portable photometer. Circadian activity rhythm parameters were calculated using cosinor analysis and a nonparametric circadian rhythm analysis. RESULTS The median daytime illuminance and nighttime illuminance were 224.5 lx (interquartile range, 154.5-307.5 lx) and 2.3 lx (0.3-9.4 lx), respectively. Multivariable linear regression analysis, adjusted for potential confounding factors, showed that higher daytime illuminance was significantly associated with higher amplitude and most active continuous 10-hour period, advanced acrophase, higher interdaily stability, and lower intradaily variability. Higher nighttime illuminance was significantly associated with lower relative amplitude, delayed onset of the least active continuous 5-hour period, and higher intradaily variability. LIMITATIONS As this was a cross-sectional study, the results do not necessarily imply that light exposure alters circadian activity rhythms. CONCLUSIONS Daytime light exposure was associated with a positive effect and nighttime light exposure with a negative effect on circadian activity rhythms in bipolar disorder.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan; Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan.
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan; The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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Ogasawara M, Takeshima M, Esaki Y, Kaneko Y, Utsumi T, Aoki Y, Watanabe N, Suzuki M, Takaesu Y. Comparison of the efficacy and safety of quetiapine and lithium for bipolar depression: A systematic review and meta-analysis of randomized controlled trials. Neuropsychopharmacol Rep 2022; 42:410-420. [PMID: 35858678 PMCID: PMC9773747 DOI: 10.1002/npr2.12283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/07/2022] [Accepted: 07/08/2022] [Indexed: 01/03/2023] Open
Abstract
AIM Pharmacological treatments recommended for bipolar depression are inconsistent across guidelines. We compared the efficacy and safety of antipsychotics and mood stabilizers for bipolar depression. METHODS A systemic review and meta-analysis of randomized controlled trials comparing antipsychotics and mood stabilizers for bipolar depression was conducted based on a literature search of major electronic databases. RESULTS Three studies comparing quetiapine with lithium were identified and analyzed; no other antipsychotic-mood stabilizer combinations were found. The meta-analysis revealed no significant differences between quetiapine and lithium for the following outcomes: (1) remission from depressive episodes (risk ratio [RR]: 1.80, 95% CI: 0.51-6.40, P = 0.36), (2) changes in depressive symptom (standardized mean difference: -0.22, 95% CI: -0.52-0.08, P = 0.15), (3) changes in social function (standardized mean difference: -0.00, 95% CI: -0.19-0.18, P = 0.98), (4) suicide-related events (odds ratio [OR]: 2.35, 95% CI: 0.40-13.65, P = 0.34), (5) severe adverse events (OR: 1.63, 95% CI: 0.51-5.20, P = 0.41), (6) dropouts due to adverse events (RR: 1.19, 95% CI: 0.76-1.87, P = 0.45, 7) dropout for any reasons (RR: 0.95, 95% CI: 0.74-1.22, P = 0.70). CONCLUSION Although this study found no differences in the efficacy and safety of quetiapine and lithium for bipolar depression, a comprehensive comparison of antipsychotics and mood stabilizers was not performed. Further studies are needed to clarify which of these, not just quetiapine and lithium, is more useful for bipolar depression.
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Affiliation(s)
- Masaya Ogasawara
- Department of NeuropsychiatryAkita University Graduate School of MedicineAkitaJapan
| | - Masahiro Takeshima
- Department of NeuropsychiatryAkita University Graduate School of MedicineAkitaJapan
| | - Yuichi Esaki
- Department of PsychiatryOkehazama HospitalAichiJapan,Department of PsychiatryFujita Health University School of MedicineAichiJapan
| | - Yoshiyuki Kaneko
- Department of PsychiatryNihon University School of MedicineTokyoJapan
| | - Tomohiro Utsumi
- Department of PsychiatryThe Jikei University School of MedicineTokyoJapan
| | - Yumi Aoki
- Psychiatric & Mental Health NursingSt.Luke’s International UniversityTokyoJapan
| | - Norio Watanabe
- Department of PsychiatrySoseikai General HospitalKyotoJapan
| | - Masahiro Suzuki
- Department of PsychiatryNihon University School of MedicineTokyoJapan
| | - Yoshikazu Takaesu
- Department of Neuropsychiatry Faculty of MedicineUniversity of the RyukyusOkinawaJapan
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5
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Effect of nighttime bedroom light exposure on mood episode relapses in bipolar disorder. Acta Psychiatr Scand 2022; 146:64-73. [PMID: 35253206 DOI: 10.1111/acps.13422] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 02/26/2022] [Indexed: 12/26/2022]
Abstract
OBJECTIVE A previous cross-sectional study reported that nighttime light is associated with increased occurrence of manic symptoms in bipolar disorder; however, the longitudinal association between nighttime light and subsequent mood episode relapses remains unclear. We determined whether bedroom nighttime light was associated with mood episode relapses in patients with bipolar disorder. METHODS This prospective cohort study included 172 outpatients with bipolar disorder who participated in an Association between the Pathology of Bipolar Disorder and Light Exposure in Daily Life (APPLE) cohort study. A portable photometer was used to measure illuminance in the bedroom from bedtime to rising time during 7 consecutive nights for baseline assessment. Then, the participants were assessed at a 2-year follow-up for mood episode relapses. RESULTS Of the 172 participants, 157 (91%) completed the 2-year follow-up, and 39 (22%) experienced manic or hypomanic episodes (with or without mixed features), during that time. In the Cox proportional-hazards model, the hazard ratio (HR) for manic/hypomanic episode relapses was significantly higher when the average nighttime illuminance was ≥3 lux (n = 71) than when it was <3 lux (n = 101; HR, 2.54; 95% confidence interval (CI), 1.33-4.84). In the multivariable model adjusted for a propensity score in relation to nighttime light, the relationship remained significant (HR, 2.17; 95% CI, 1.04-4.52). The association between nighttime light and depressive episode relapses was not significantly different. CONCLUSIONS Keeping the bedroom dark at night may prevent hypomanic and manic episodes.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan.,Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan.,The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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Hirose M, Nakamura T, Watanabe A, Esaki Y, Koike S, Yamamoto Y, Iwata N, Kitajima T. Altered distribution of resting periods of daily locomotor activity in patients with delayed sleep phase disorder. Front Psychiatry 2022; 13:933690. [PMID: 36311503 PMCID: PMC9606617 DOI: 10.3389/fpsyt.2022.933690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 09/12/2022] [Indexed: 11/30/2022] Open
Abstract
Delayed sleep phase disorder (DSPD) and mood disorders have a close relationship. However, the shared mechanisms by DSPD and mood disorders have not been well-elucidated. We previously found that micro-fluctuations in human behaviors are organized by robust statistical laws (behavioral organization), where the cumulative distributions of resting and active period durations take a power-law distribution form and a stretched exponential functional form, respectively. Further, we found that the scaling exponents of resting period distributions significantly decreased in major depressive disorder (MDD). In this study, we hypothesized that DSPD had similar characteristics of the altered behavioral organization to that of MDD. Locomotor activity data were acquired for more than 1 week from 17 patients with DSPD and 17 age- and gender-matched healthy participants using actigraphy. We analyzed the cumulative distributions of resting and active period durations in locomotor activity data and subsequently derived fitting parameters of those distributions. Similar to patients with MDD, we found that resting period distributions took a power-law form over the range of 2-100 min, with significantly lower values of scaling exponents γ in patients with DSPD compared with healthy participants. The shared alteration in γ suggests the existence of similar pathophysiology between DSPD and MDD.
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Affiliation(s)
- Marina Hirose
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Toru Nakamura
- Graduate School of Engineering Science, Osaka University, Osaka, Japan
| | - Akiko Watanabe
- Department of Sleep Medicine, Toyohashi Mates Sleep Disorders Center, Toyohashi, Japan
| | - Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Shigefumi Koike
- Department of Sleep Medicine, Toyohashi Mates Sleep Disorders Center, Toyohashi, Japan
| | - Yoshiharu Yamamoto
- Educational Physiology Laboratory, Graduate School of Education, University of Tokyo, Tokyo, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
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7
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Fujita A, Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Comparison of objective and subjective sleep parameters in patients with bipolar disorder in both euthymic and residual symptomatic periods. J Psychiatr Res 2021; 145:190-196. [PMID: 34929468 DOI: 10.1016/j.jpsychires.2021.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 11/24/2021] [Accepted: 12/10/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Sleep disturbance is a core feature of bipolar disorder; hence, sleep must be accurately assessed in patients with bipolar disorder. Subjective sleep assessment tools such as sleep diary and questionnaires are often used clinically for assessing sleep in these patients. However, the insight into whether these tools are as accurate as objective tools, such as actigraphy, remains controversial. METHODS This cross-sectional study included 164 outpatients with a diagnosis of bipolar disorder, including patients who had euthymic and residual symptomatic periods. Objective sleep assessment was conducted prospectively using actigraphy for 7 consecutive days, whereas subjective sleep assessment was conducted prospectively using a sleep diary. RESULTS The correlations were high and moderate between sleep diary and actigraphy when assessing the total sleep time and sleep onset latency, respectively (r = 0.81 and 0.47). These correlations remained significant after correction for multiple testing (both p < 0.001) and in both euthymic and residual symptomatic states (total sleep time: r = 0.86 and 0.77; sleep onset latency: r = 0.51 and 0.40, respectively). The median (interquartile ranges) of the percentage difference (sleep diary parameters minus actigraphy parameters divided by actigraphy parameter) in the total sleep time was relatively small (6.2% [-0.2% to 13.6%]). CONCLUSIONS Total sleep time assessment using a sleep diary could be clinically useful in the absence of actigraphy or polysomnography.
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Affiliation(s)
- Akari Fujita
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan; Department of Psychiatry, Okehazama Hospital, Aichi, Japan
| | - Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan; Department of Psychiatry, Okehazama Hospital, Aichi, Japan.
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan; The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Preventive effect of morning light exposure on relapse into depressive episode in bipolar disorder. Acta Psychiatr Scand 2021; 143:328-338. [PMID: 33587769 DOI: 10.1111/acps.13287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Light therapy has been suggested to have a curative effect on bipolar depression; however, preventive effects of light exposure on depressive episodes remain unclear. This study evaluated whether daytime light exposure in real-life situations was associated with a preventive effect on relapse into depressive episodes in patients with bipolar disorder. METHODS This prospective, naturalistic, observational study was conducted in Japan between August 2017 and June 2020. Outpatients with bipolar disorder were objectively evaluated for daytime light exposure over 7 consecutive days using an actigraph that could measure ambient light at baseline assessment and then assessed at 12-month follow-up for relapse into mood episodes. RESULTS Of 202 participants, 198 (98%) completed follow-up at 12 months and 78 (38%) experienced relapse into depressive episodes during follow-up. In a Cox proportional hazards model adjusting for potential confounders, a longer time above 1000 lux at daytime was significantly associated with decrease in relapse into depressive episodes (per log min; hazard ratio, 0.66; 95% confidence interval, 0.50-0.91). In addition, a higher average illuminance and longer time above 1000 lux in the morning exhibited a significant decrease in relapse into depressive episodes (per log lux and per log min; hazard ratio, 0.65 and 0.61; 95% confidence interval, 0.49-0.86 and 0.47-0.78, respectively). The association between daytime light exposure and relapse into manic/hypomanic/mixed episodes was not significantly different. CONCLUSION A significant association was observed between increased daytime light exposure, mainly in the morning, and decreased relapse into depressive episodes.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan.,Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan.,The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Effect of evening light exposure on sleep in bipolar disorder: A longitudinal analysis for repeated measures in the APPLE cohort. Aust N Z J Psychiatry 2021; 55:305-313. [PMID: 33118369 DOI: 10.1177/0004867420968886] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Sleep disturbance, a core feature of bipolar disorder, is associated with residual mood symptoms, mood episode recurrence and suicide ideation. We investigated the effect of evening light exposure on sleep in patients with bipolar disorder. METHODS In this longitudinal analysis, we measured the sleep parameters of 207 outpatients with bipolar disorder using actigraphy at their homes for seven consecutive nights. We measured the white-light illuminance and the irradiance of each wavelength during the 4 hours before each participant's bedtime. We used mixed-effect linear regression analysis for repeated measures to evaluate the effect of evening light exposure on subsequent sleep parameters. RESULTS The median white-light illuminance was 25.8 lux (interquartile range, 12.9-50.1 lux). In a multivariable model adjusted for potential confounders, we found higher white-light illuminance to be significantly associated with lower sleep efficiency (per log lux: 95% confidence interval = [-1.328, -0.133]; p = 0.017), prolonged sleep-onset latency (95% confidence interval = [0.006, 0.172]; p = 0.035) and longer wake after sleep onset (95% confidence interval = [1.104, 4.459]; p = 0.001). This effect size was larger in the younger age group (aged < 44 years) stratified by median age. Higher irradiance of the blue wavelength range was significantly associated with longer wake after sleep onset, a result similar to those for the green and red wavelength ranges. CONCLUSION We observed significant associations between evening light exposure and subsequent sleep in patients with bipolar disorder. The effects of various light wavelengths on sleep in bipolar disorder require further investigation.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Toyoake, Japan.,Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Kashihara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Toyoake, Japan.,Department of Psychiatry, The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
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10
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Higher prevalence of intentional self-harm in bipolar disorder with evening chronotype: A finding from the APPLE cohort study. J Affect Disord 2020; 277:727-732. [PMID: 32919293 DOI: 10.1016/j.jad.2020.08.068] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 06/07/2020] [Accepted: 08/24/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Patients with bipolar disorder (BD) frequently self-harm, and this is strongly associated with subsequent suicide. This study investigated the association between chronotype and intentional self-harm in patients with BD. METHODS Two-hundred and five outpatients with BD participated in this cross-sectional study. Each participant's chronotype was evaluated using the Morningness-Eveningness Questionnaire, dividing the scores into three types: evening, 16-41 points; intermediate, 42-58 points; and morning, 59-86 points. Intentional self-harm over the past year were self-reported by questionnaire. Propensity score for evening chronotype was estimated from age, sex, socioeconomic factors, mood symptoms, total sleep time, age at the onset of BD, psychiatric inpatient history, family history of suicide, psychiatric comorbidity, and use of lithium. RESULTS Thirty-six (18%) of the 205 participants reported self-harm. A substantially higher proportion of the evening chronotype group self-harmed compared to the other groups (evening, 37%; intermediate, 13%; morning 10%). In multivariable analysis adjusted for propensity score, the odds ratio (OR) for self-harming significantly increased from morning to intermediate to evening chronotype (ORs: morning, 1.00; intermediate, 1.56; evening, 3.61; P for trend = 0.038). LIMITATIONS This study was a cross-sectional and small sample size. CONCLUSIONS Although a third factors, such as personality disorder or disrupted circadian rhythm, may have influenced, these findings suggest association between chronotype and intentional self-harm in BD patients.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan; Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan.
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan; The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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Esaki Y, Takeuchi I, Tsuboi S, Fujita K, Iwata N, Kitajima T. A double-blind, randomized, placebo-controlled trial of adjunctive blue-blocking glasses for the treatment of sleep and circadian rhythm in patients with bipolar disorder. Bipolar Disord 2020; 22:739-748. [PMID: 32276301 DOI: 10.1111/bdi.12912] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
OBJECTIVES Recent studies have suggested that evening blue light exposure is associated with sleep and circadian rhythm abnormalities. This study examined the effect of blue-blocking (BB) glasses on sleep and circadian rhythm in patients with bipolar disorder (BD). METHODS We used a randomized, placebo-controlled, double-blinded design. Outpatients with BD and also with insomnia were randomly assigned to wear either orange glasses (BB) or clear ones (placebo) and were instructed to use these from 20:00 hours until bedtime for 2 weeks. The primary outcome metric was the difference in change from baseline to after intervention in sleep quality, as measured by the visual analog scale (VAS). RESULTS Forty-three patients were included in this study (BB group, 21; placebo group, 22). The change in sleep quality as per the VAS metric was not significantly different between the two groups (95% confidence interval [CI], -3.34 to 24.72; P = .13). However, the Morningness-Eveningness Questionnaire score had shifted to an advanced rhythm in the BB group and to a delayed rhythm in the placebo group, and the difference in these changes was statistically significant (95% CI, 1.69-7.45; P = .003). The change in the actigraphy sleep parameters and mood symptoms was not significantly different between the two groups. CONCLUSION Although concurrent medications may have influenced, our results suggest that BB glasses may be useful as an adjunctive treatment for circadian rhythm issues in patients with BD.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan.,Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Ipei Takeuchi
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
| | - Soji Tsuboi
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan.,The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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12
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Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T. Association between light exposure at night and manic symptoms in bipolar disorder: cross-sectional analysis of the APPLE cohort. Chronobiol Int 2020; 37:887-896. [DOI: 10.1080/07420528.2020.1746799] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Kenji Obayashi
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Keigo Saeki
- Department of Epidemiology, Nara Medical University School of Medicine, Nara, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Aichi, Japan
- Department of Psychiatry, The Neuroscience Research Center, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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13
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Kawai R, Watanabe A, Fujita S, Hirose M, Esaki Y, Arakawa C, Iwata N, Kitajima T. Utility of the sleep stage sequence preceding sleep onset REM periods for the diagnosis of narcolepsy: a study in a Japanese cohort. Sleep Med 2020; 68:9-17. [PMID: 31999982 DOI: 10.1016/j.sleep.2019.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 03/14/2019] [Accepted: 04/17/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND The minimum narcolepsy criteria "mean sleep latency (MSL) ≤8 min and ≥2 sleep onset rapid eye movement (REM) periods (SOREMPs) on polysomnography (PSG) and the multiple sleep latency test (MSLT)," according to The International Classification of Sleep Disorders, Third Edition (ICSD-3), are not specific to narcolepsy. Recently, the characteristic sleep stage sequences preceding SOREMPs in narcolepsy have received attention, but their diagnostic utility remains unclear. METHODS We retrospectively reviewed PSG/MSLT records and chart data for 102 Japanese patients with hypersomnia and at least one SOREMP. We examined the sporadic rates of two sleep stage sequences preceding the SOREMPs-wakefulness or stage 1 to REM (W/S1→R) and stage 2 to REM (S2→R)-comparing these between patient groups with narcolepsy type 1 (N = 28), narcolepsy type 2 (N = 19), and other hypersomnia (N = 55). We also examined the utility of three simple indices using the occurrence of W/S1→R SOREMPs for distinguishing between narcolepsy and other hypersomnia in patients who satisfied the minimum narcolepsy criteria. RESULTS W/S1→R SOREMPs were significantly more frequent in narcolepsy than in other hypersomnia, and this tendency was also observed even in the patients who satisfied the minimum narcolepsy criteria. The three indices had moderate sensitivities and specificities for distinguishing between narcolepsy and other hypersomnia in patients satisfying the minimum narcolepsy criteria. CONCLUSIONS The W/S1→R pattern was observed significantly more frequently in narcolepsy than in other hypersomnia, suggesting it may help with differentiating narcolepsy from other hypersomnia in patients demonstrating the narcolepsy criteria, although its ability to do so may be modest.
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Affiliation(s)
- Ryoko Kawai
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Akiko Watanabe
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Shiho Fujita
- Department of Laboratory Medicine, Fujita Health University Hospital, Toyoake, Aichi, Japan
| | - Marina Hirose
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Chiaki Arakawa
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan.
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14
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Kitajima T, Hirose M, Kumagai R, Watanabe A, Esaki Y, Yamamoto S, Ono Y, Morishita H, Terabe M, Funahashi K, Iwata N. The reliability of the scale for symptom severity of circadian rhythm sleep-wake disorders – A preliminary study on draft versions. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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15
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Hirose M, Kitajima T, Nakamura T, Yamamoto Y, Kumagai R, Ono Y, Terabe M, Funahashi K, Esaki Y, Iwata N. Circannual fluctuation of intermittency of daily locomotor activity, and its relationship to subjective mood, physical activity, and chronotype: two-year following-up of a case with depression. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Watanabe A, Hirose M, Kitajima T, Tomita S, Esaki Y, Iwata N. A retrospective study of the efficacy of ramelteon for insomnia: relevance of dose and timing of administration. Sleep Biol Rhythms 2017. [DOI: 10.1007/s41105-017-0128-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Esaki Y, Kitajima T, Fujishiro H, Fujita S, Hirose M, Watanabe A, Iwata N. Parasomnia overlap disorder caused by paroxetine. Sleep Biol Rhythms 2017. [DOI: 10.1007/s41105-017-0107-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Esaki Y, Kitajima T, Takeuchi I, Tsuboi S, Furukawa O, Moriwaki M, Fujita K, Iwata N. Effect of blue-blocking glasses in major depressive disorder with sleep onset insomnia: A randomized, double-blind, placebo-controlled study. Chronobiol Int 2017; 34:753-761. [DOI: 10.1080/07420528.2017.1318893] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Ippei Takeuchi
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
| | - Soji Tsuboi
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
| | - Osamu Furukawa
- Department of Psychiatry, Fujita Mental Care Satellite Zengo, Toyoake, Aichi, Japan
| | - Masatsugu Moriwaki
- Department of Psychiatry, Fujita Mental Care Satellite Tokushige, Nagoya, Aichi, Japan
| | - Kiyoshi Fujita
- Department of Psychiatry, Okehazama Hospital, Toyoake, Aichi, Japan
- Department of Psychiatry, The Neuroscience Research Center, Toyoake, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
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19
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Tsuchiya A, Kitajima T, Tomita S, Esaki Y, Hirose M, Iwata N. High Prevalence of Orthostatic Dysregulation among Circadian Rhythm Disorder Patients. J Clin Sleep Med 2016; 12:1471-1476. [PMID: 27568888 DOI: 10.5664/jcsm.6268] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 06/27/2016] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Patients with circadian rhythm sleep disorders (CRSDs) often have coincidence of orthostatic dysregulation (OD). Both disorders have many common clinical features. However, the prevalence of OD in patients with CRSD has not been examined. METHODS Thirty-eight patients with CRSD with either delayed sleep phase disorder or free-running disorder were tested for OD using the new orthostatic test, which was originally established by Tanaka et al. (< 20 years) and the Schellong test, i.e., the active standing test (≥ 20 years). RESULTS The overall prevalence of OD in patients with CRSD was 57.9% (22/38), and prevalence of OD was 70% in patients under 20 years of age (14/20). These rates exceed the previously reported values in adolescents aged 14-15 years (15%), regarded as the age with highest OD prevalence. Prevalence was not significantly associated with CRSD severity and medications used. CONCLUSIONS We observed a high prevalence of OD in patients with CRSD, suggesting some relationship between CRSD and OD. Large-scale case-control studies are warranted to investigate the underlying mechanisms for this comorbidity.
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Affiliation(s)
- Akiko Tsuchiya
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Satoe Tomita
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan.,Health Support Center, Nagoya Institute of Technology, Aichi, Japan
| | - Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Marina Hirose
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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20
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Esaki Y, Kitajima T. Seeking Good Alternatives to Clonazepam: Suggestions for Future Treatment Trials in REM Sleep Behavior Disorder. J Clin Sleep Med 2016; 12:1195-6. [PMID: 27448419 DOI: 10.5664/jcsm.6070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 07/01/2016] [Indexed: 11/13/2022]
Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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21
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Sakai R, Esaki Y, Hasuwa H, Ikawa M, Lo P, Matsuura R, Nakahata K, Zenitani M, Asada M, Maeda A, Eguchi H, Okuyama H, Miyagawa S. Knockout of Cytidine Monophospho-N-Acetylneuraminic Acid (CMP-NeuAc) Hydroxylase From Porcine Endothelial Cells by a CRISPR System. Transplant Proc 2016; 48:1320-2. [PMID: 27320613 DOI: 10.1016/j.transproceed.2015.10.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/03/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND We attempted to knock out the expression of Hanganutziu-Deicher (H-D) antigens through the use of a CRISPR (clustered regulatory interspaced short palindromic repeat)/Cas9 system for pig cytidine monophospho-N-acetylneuraminic acid hydroxylase (CMAH). METHODS Plasmids expressing hCas9 and sgRNA for pCMAH were prepared by ligating oligos into the BbsI site of pX330. The N-terminal and C-terminal EGFP coding regions overlapping 482 bp were PCR-amplified and placed under a ubiquitous CAG promoter. The approximately 400-bp genomic fragments containing the sgRNA target sequence of pCMAH were placed into the multi-cloning sites flanked by the EGFP fragments. The pCAG-EGxxFP-target was mixed with pX330 with/without the sgRNA sequences and then introduced into HEK293T cells. RESULTS Four oligos and primers, gSO1, gSO3, gSO4, and gSO8, were nominated from 8 candidates. Among them, gSO1 showed the best efficiency. Pig endothelial cells (PECs) from an α-Gal knockout pig were then used to examine the changes in the expression of the H-D antigen by the knockout of the CMAH genome by the pX330-gS01. CONCLUSIONS Changes in the expression of the H-D antigen in the PECs with the CRISPR (gS01) were clear in comparison with those in the parental cells, on the basis of FACS analysis data. The expression of the H-D antigen can be knocked out by use of the CRISPR system for pCMAH, thus confirming that this system is a very convenient system for producing knockout pigs.
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Affiliation(s)
- R Sakai
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan.
| | - Y Esaki
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Hasuwa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Ikawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - P Lo
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - R Matsuura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - K Nakahata
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Zenitani
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Asada
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - A Maeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Eguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Okuyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - S Miyagawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
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22
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Esaki Y, Kitajima T, Ito Y, Koike S, Nakao Y, Tsuchiya A, Hirose M, Iwata N. Wearing blue light-blocking glasses in the evening advances circadian rhythms in the patients with delayed sleep phase disorder: An open-label trial. Chronobiol Int 2016; 33:1037-44. [PMID: 27322730 DOI: 10.1080/07420528.2016.1194289] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
It has been recently discovered that blue wavelengths form the portion of the visible electromagnetic spectrum that most potently regulates circadian rhythm. We investigated the effect of blue light-blocking glasses in subjects with delayed sleep phase disorder (DSPD). This open-label trial was conducted over 4 consecutive weeks. The DSPD patients were instructed to wear blue light-blocking amber glasses from 21:00 p.m. to bedtime, every evening for 2 weeks. To ascertain the outcome of this intervention, we measured dim light melatonin onset (DLMO) and actigraphic sleep data at baseline and after the treatment. Nine consecutive DSPD patients participated in this study. Most subjects could complete the treatment with the exception of one patient who hoped for changing to drug therapy before the treatment was completed. The patients who used amber lens showed an advance of 78 min in DLMO value, although the change was not statistically significant (p = 0.145). Nevertheless, the sleep onset time measured by actigraph was advanced by 132 min after the treatment (p = 0.034). These data suggest that wearing amber lenses may be an effective and safe intervention for the patients with DSPD. These findings also warrant replication in a larger patient cohort with controlled observations.
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Affiliation(s)
- Yuichi Esaki
- a Department of Psychiatry , Fujita Health University School of Medicine , Aichi , Japan
| | - Tsuyoshi Kitajima
- a Department of Psychiatry , Fujita Health University School of Medicine , Aichi , Japan
| | - Yasuhiro Ito
- b Department of Physiology , Fujita Health University School of Health Sciences , Aichi , Japan
| | - Shigefumi Koike
- c Department of Sleep Medicine , Toyohashi Mates Sleep Disorders Center , Aichi , Japan
| | - Yasumi Nakao
- c Department of Sleep Medicine , Toyohashi Mates Sleep Disorders Center , Aichi , Japan
| | - Akiko Tsuchiya
- a Department of Psychiatry , Fujita Health University School of Medicine , Aichi , Japan
| | - Marina Hirose
- a Department of Psychiatry , Fujita Health University School of Medicine , Aichi , Japan
| | - Nakao Iwata
- a Department of Psychiatry , Fujita Health University School of Medicine , Aichi , Japan
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23
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Esaki Y, Kitajima T, Koike S, Fujishiro H, Iwata Y, Tsuchiya A, Hirose M, Iwata N. An Open-Labeled Trial of Ramelteon in Idiopathic Rapid Eye Movement Sleep Behavior Disorder. J Clin Sleep Med 2016; 12:689-93. [PMID: 26857053 DOI: 10.5664/jcsm.5796] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 01/11/2016] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized by REM sleep without atonia and elaborate motor activity in association with dream mentation. The melatonin receptor agonist ramelteon has been documented as being effective in two patients with secondary RBD. However, there are no reports on ramelteon treatment for idiopathic RBD. METHODS In an open-labeled trial, we treated 12 consecutive patients with idiopathic RBD for at least 4 w with 8 mg ramelteon given within 30 min before bedtime. RESULTS Ramelteon treatment did not have a clear effect on REM sleep without atonia or an RBD severity scale measured by video-supported polysomnography. However, clinical assessment using a visual analog scale showed a trend toward significance and there were also definitely positive changes in some individual cases. Ramelteon was well tolerated in most patients, with minor side effects. CONCLUSIONS Considering that ramelteon is associated with few side effects, further study may ascertain whether patients with RBD could be effectively treated by ramelteon, especially when clonazepam may not be suitable due to its side effects. COMMENTARY A commentary on this article appears in this issue on page 643.
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Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Shigefumi Koike
- Department of Sleep Medicine, Toyohashi Mates Sleep Disorders Center, Aichi, Japan
| | - Hiroshige Fujishiro
- Department of Sleep Medicine, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Yasuyo Iwata
- Department of Sleep Medicine, Toyohashi Mates Sleep Disorders Center, Aichi, Japan
| | - Akiko Tsuchiya
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Marina Hirose
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
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24
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Sakuraba K, Fujimura K, Kamura S, Esaki Y, Miyahara H, Yoshikai Y, Yamada H. THU0055 IL-21 Signaling in B Cells is Critical for the Development of Collagen Induced Arthritis in Mice. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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25
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Esaki Y, Kitajima T, Tsuchiya A, Hirose M, Torii Y, Fujita S, Iwata N. Periodic abdominal movements. Psychiatry Clin Neurosci 2014; 68:167. [PMID: 24552638 DOI: 10.1111/pcn.12095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Revised: 07/09/2013] [Accepted: 08/03/2013] [Indexed: 11/29/2022]
Affiliation(s)
- Yuichi Esaki
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
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26
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Tomita S, Kitajima T, Mekata T, Tsuchiya A, Sano W, Esaki Y, Marina H, Fujita S, Iwata N. Comparison of sleep diary and actigraphy to evaluate total sleep time in hypersomnia patients. Sleep Biol Rhythms 2013. [DOI: 10.1111/sbr.12004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Satoe Tomita
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Tsuyoshi Kitajima
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Takahiro Mekata
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Akiko Tsuchiya
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Wataru Sano
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Yuichi Esaki
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Hirose Marina
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Shiho Fujita
- Department of Laboratory Medicine; Fujita Health University Hospital; Toyoake; Aichi; Japan
| | - Nakao Iwata
- Department of Psychiatry; Fujita Health University Hospital; Toyoake; Aichi; Japan
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27
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Sano W, Nakamura T, Yoshiuchi K, Kitajima T, Tsuchiya A, Esaki Y, Yamamoto Y, Iwata N. Enhanced persistency of resting and active periods of locomotor activity in schizophrenia. PLoS One 2012; 7:e43539. [PMID: 22952701 PMCID: PMC3429496 DOI: 10.1371/journal.pone.0043539] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2012] [Accepted: 07/23/2012] [Indexed: 02/07/2023] Open
Abstract
Patients with schizophrenia frequently exhibit behavioral abnormalities associated with its pathological symptoms. Therefore, a quantitative evaluation of behavioral dynamics could contribute to objective diagnoses of schizophrenia. However, such an approach has not been fully established because of the absence of quantitative biobehavioral measures. Recently, we studied the dynamical properties of locomotor activity, specifically how resting and active periods are interwoven in daily life. We discovered universal statistical laws ("behavioral organization") and their alterations in patients with major depressive disorder. In this study, we evaluated behavioral organization of schizophrenic patients (n = 19) and healthy subjects (n = 11) using locomotor activity data, acquired by actigraphy, to investigate whether the laws could provide objective and quantitative measures for a possible diagnosis and assessment of symptoms. Specifically, we evaluated the cumulative distributions of resting and active periods, defined as the periods with physical activity counts successively below and above a predefined threshold, respectively. Here we report alterations in the laws governing resting and active periods; resting periods obeyed a power-law cumulative distribution with significantly lower parameter values (power-law scaling exponents), whereas active periods followed a stretched exponential distribution with significantly lower parameter values (stretching exponents), in patients. Our findings indicate enhanced persistency of both lower and higher locomotor activity periods in patients with schizophrenia, probably reflecting schizophrenic pathophysiology.
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Affiliation(s)
- Wataru Sano
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan.
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Chevallier F, Ciais P, Conway TJ, Aalto T, Anderson BE, Bousquet P, Brunke EG, Ciattaglia L, Esaki Y, Fröhlich M, Gomez A, Gomez-Pelaez AJ, Haszpra L, Krummel PB, Langenfelds RL, Leuenberger M, Machida T, Maignan F, Matsueda H, Morguí JA, Mukai H, Nakazawa T, Peylin P, Ramonet M, Rivier L, Sawa Y, Schmidt M, Steele LP, Vay SA, Vermeulen AT, Wofsy S, Worthy D. CO2surface fluxes at grid point scale estimated from a global 21 year reanalysis of atmospheric measurements. ACTA ACUST UNITED AC 2010. [DOI: 10.1029/2010jd013887] [Citation(s) in RCA: 234] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Kaibara N, Yamada H, Shuto T, Nakashima Y, Okazaki K, Miyahara H, Esaki Y, Hirata G, Iwamoto Y. Comparative histopathological analysis between tenosynovitis and joint synovitis in rheumatoid arthritis. Histopathology 2008; 52:856-64. [DOI: 10.1111/j.1365-2559.2008.03050.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Honma N, Sakamoto G, Akiyama F, Esaki Y, Sawabe M, Arai T, Hosoi T, Harada N, Younes M, Takubo K. Breast carcinoma in women over the age of 85: distinct histological pattern and androgen, oestrogen, and progesterone receptor status. Histopathology 2003; 42:120-7. [PMID: 12558743 DOI: 10.1046/j.1365-2559.2003.01542.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIMS The pathogenesis of breast carcinoma in very elderly women is of interest, because oestrogen levels are likely to be extremely low during the development of the disease. In an effort to understand the pathogenesis of breast carcinoma in these women, this study was undertaken to compare the histological patterns and hormone receptor status of breast carcinomas arising in very elderly and younger women. METHODS AND RESULTS Thirty-seven breast carcinomas from women over the age of 85 years at the time of their operation were examined histologically and compared with those from a large group of premenopausal women. The proportions of mucinous carcinoma and apocrine carcinoma were significantly greater in older women. The expression of steroid hormone receptors was studied immunohistochemically. Androgen receptor-positive carcinomas were significantly more frequent among older women, whereas progesterone receptor-positive carcinomas were significantly less frequent. There was no statistically significant difference in oestrogen receptor-alpha or -beta expression between the tumours from both groups. CONCLUSION Breast carcinomas in women over the age of 85 years have a different morphological spectrum from carcinomas in younger age groups and may have different pathogenesis mechanisms that may be more dependent on androgen and androgen receptor interaction. Differences from the results of the other studies are discussed.
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Affiliation(s)
- N Honma
- Human Tissue Research Group, Tokyo Metropolitan Institute of Gerontology, Department of Breast Pathology, Cancer Institute, Tokyo, Japan.
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Abstract
BACKGROUND Multiple primary cancers are not rare events in the large intestine, and account for approximately 5-7% of patients with colorectal cancer (CRC). There are few reports demonstrating clinicopathologic features of multiple CRCs in the elderly. METHODS We clinicopathologically investigated 947 surgical patients and 362 autopsy samples from patients aged 65 years or more with CRC, including 81 surgical and 34 autopsy cases of multiple CRCs. We compared the data in the very old group (age > or = 85 years) with those of the younger age groups, i.e., a young-old group (65-74 years) and a middle-old group (75-84 years). RESULTS The proportion of multiple CRCs was 8.6% (81/947) in the surgical patients and 9.4% (34/362) in the autopsy cases, with no significant difference among the three age groups. Similar site distributions and sex ratios, indicating proximal shift and female predominance with advancing age, were found in multiple and single CRCs, except for autopsy cases with multiple CRCs. Multiple CRCs in nonadjacent segments of the large intestine accounted for 11% (9/81) in surgical cases and 35% (12/34) in autopsy cases. In autopsy cases, the incidence of extracolorectal malignancies in patients with a single CRC was 22% (17/76) in the young-old group, 27% (39/147) in the middle-old group, and 35% (37/105) in the very old group, whereas the incidences in patients with multiple CRCs were 25% (1/4), 11% (2/18), and 50% (6/12), respectively. Regarding the organs with extracolorectal malignancies, the stomach (29%) was most frequent, followed by lung (14%), hematopoietic system (12%), and pancreatobiliary system (10%). CONCLUSIONS These results indicate that the incidence of multiple CRCs in elderly patients with CRC is approximately 8%-10%, with no age-related difference, while extracolorectal malignancies increase with advancing age.
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Affiliation(s)
- T Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Japan
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32
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Origuchi N, Ohkawa S, Esaki Y, Yoshida Y, Shigematsu H. Rare complication of saccular aneurysm and histological dissection: an autopsy study of 5865 elderly cases. Jpn Heart J 2001; 42:597-606. [PMID: 11804301 DOI: 10.1536/jhj.42.597] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The purpose of this study was to examine complicated lesions of saccular aneurysm and dissection. We investigated the ascending aortae in 5865 consecutive elderly autopsy cases, and 5 cases (0.085%) of aortic saccular aneurysms associated with dissection at the edges were selected. Their edges characteristically protruded like a shelf, which histologically consisted of an inner part of the dissected media. All patients were female and their mean age was 76.8 (67-89) years. The aneurysmal walls at the center showed severe fragmentation and disappearance of the elastic lamellae of the remaining outer media. Thus, partial sections of these lesions were not sufficient but cross-sections of the whole diseased regions including the edges were essential for diagnosis. One patient had 3 saccular aneurysms and an adjacent shallow depression, which we called "healed microscopic dissection". Histologically, it showed disappearance of the inner media and was replaced by fibrosis in continuation from the intima. This lesion showed no findings of intramural hemorrhage or thrombus, and thus it will differ from organized thrombi in the dissected false lumen. Another patient presented had an aneurysmal rupture which resulted in cardiac tamponade. This case implies the need for surgical treatment of this entity.
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Affiliation(s)
- N Origuchi
- Department of Vascular Surgery, University of Tokyo, Japan
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33
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Sawabe M, Arai T, Esaki Y, Tsuru M, Fukazawa T, Takubo K. Three-dimensional organization of the hepatic microvasculature in hereditary hemorrhagic telangiectasia. Arch Pathol Lab Med 2001; 125:1219-23. [PMID: 11520277 DOI: 10.5858/2001-125-1219-tdooth] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant systemic fibrovascular dysplasia. Although hepatic vascular shunts are often observed in HHT, the responsible pathological mechanism is unknown. This issue was addressed by performing a 3-dimensional reconstruction study of the hepatic microvasculature of an HHT-involved liver in a 79-year-old woman. Clinical observation revealed high-output congestive heart failure and hepatic encephalopathy due to arteriovenous and portovenous shunts, respectively. Angiography revealed tortuous dilation of hepatic arterial branches and intrahepatic arteriovenous shunts. The 3-dimensional analysis of the autopsy liver revealed focal sinusoidal ectasia, arteriovenous shunts through abnormal direct communications between arterioles and ectatic sinusoids, and portovenous shunts due to frequent and large communications between portal veins and ectatic sinusoids. Type 1 HHT was suggested by the lack of endoglin immunoreactivity in the liver. The 3-dimensional reconstruction study of hepatic microvasculature was successful in identifying the pathological changes responsible for the intrahepatic shunts in HHT.
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Affiliation(s)
- M Sawabe
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan.
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Tsuchiya K, Mitani K, Arai T, Yamada S, Komiya T, Esaki Y, Haga C, Yamanouchi H, Ikeda K. Argyrophilic grain disease mimicking temporal Pick's disease: a clinical, radiological, and pathological study of an autopsy case with a clinical course of 15 years. Acta Neuropathol 2001; 102:195-9. [PMID: 11563637 DOI: 10.1007/s004010100365] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This report concerns an autopsy case of argyrophilic grain disease (AGD) mimicking temporal Pick's disease. The patient was a Japanese woman without hereditary burden who was 89 years old at the time of death. She developed memory impairment and began wandering at the age of 74, followed by prominent character changes about 6 years after disease onset. A neurological examination 5 months before her death revealed poor rapport, unconcern, severe dementia, and double incontinence, without aphasia or muscle rigidity. Serial neuroradiological examination revealed progressive enlargement of the bilateral inferior horns of the lateral ventricle, reflecting progressive atrophy of the medial temporal lobes. Macroscopically, neuropathological examination showed circumscribed atrophy of the bilateral amygdalae, hippocampi, parahippocampal gyri, and lateral occipitotemporal gyri. Histologically, there was neuronal loss in the areas mentioned above, the caudate nucleus, putamen, thalamus, substantia nigra, and locus ceruleus, with ballooned neurons in the cerebral cortex and amygdala. Numerous argyrophilic grains with coiled bodies were present not only in the limbic system, but also in the affected cerebrum. Rare neurofibrillary changes were present in the limbic areas, consistent with Braak stage II, with no senile plaques. Based on these findings and a review of the literature, we note that AGD is clinicopathologically similar not only to mesolimbocortical dementia, but also to atypical senile dementia of Alzheimer type. This report may contribute to the elucidation of the clinicopathological hallmarks of AGD.
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Affiliation(s)
- K Tsuchiya
- Department of Laboratory Medicine and Pathology, Tokyo Metropolitan Matsuzawa Hospital, Japan
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Chida K, Taniguchi T, Maeda S, Imai T, Esaki Y, Takubo K, Ohkawa S. Clinicopathological characteristics of left ventricular myocardium with transient asynergy: report of three cases. Jpn Heart J 2001; 42:235-48. [PMID: 11384083 DOI: 10.1536/jhj.42.235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of the present retrospective study was to clarify the histopathologic substrates of left ventricular myocardium with transient asynergy due to acute ischemic insult in man. Three patients who had had prolonged chest pain, new abnormal Q waves and new ST segment elevation were studied. There was no significant elevation of serum creatine phosphokinase activity in two of the three patients. Echocardiograms on admission or the next day showed severe hypokinetic or akinetic motion and thinning of the anteroseptal and apical portions of the left ventricle and regional dilatation of the same portions. Disappearance of the abnormal Q waves, ST segment elevation resolution, and early T wave inversion were observed later. Complete improvement of the echocardiographic abnormalities was confirmed after a few weeks in all patients. Manifest ischemic lesions of subendocardial scars of the anteroseptal region of the left ventricle were detected in only one of the three cases by gross examination. However, on microscopic examination, islands of necrotic myocytes were interspersed with islands of viable cells throughout the jeopardized region in one case, although the scattered necrotic foci were restricted to the subendocardium and the trabeculae. Normal myocardium and subendocardial scars were observed in the other two cases. In conclusion, left ventricular myocardium with transient asynergy. detected clinically during acute ischemic attack, consists of normal myocardium or small ischemic lesions primarily in the subendocardium.
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Affiliation(s)
- K Chida
- Division of Cardiology, Tokyo Metropolitan Geriatric Hospital, Japan
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Araki T, Katsura H, Motegi T, Yamada K, Uehara T, Gotoh R, Kida K, Esaki Y. [Two elderly patients with sarcoidosis and Sjögren's syndrome]. Nihon Ronen Igakkai Zasshi 2001; 38:229-34. [PMID: 11305039 DOI: 10.3143/geriatrics.38.229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Two elderly patients with sarcoidosis complicated with Sjögren's syndrome are described. Case 1: A 70-year-old woman was admitted due to dry eyes. Histological examination of a minor salivary gland specimen revealed lymphocytic infiltration, which was compatible with Sjögren's syndrome. Because uveitis was demonstrated, transbronchial lung biopsy (TBLB) was performed, to confirm a diagnosis of lung sarcoidosis. Histological examination of TBLB showed non-caseating granulomas compatible with sarcoidosis. Case 2: A 70-year-old woman was admitted due to dyspnea on exercise and blurred vision. Two years previously, Sjögren's syndrome was diagnosed because of a positive Shirmer test and positive SS-A antibody. Result of ophthalmic examination were compatible with uveitis. Histological examination of TBLB showed non-caseating granulomas compatible with sarcoidosis. Certain similarities between sarcoidosis and Sjögren's syndrome in terms of immunological aspects have attracted attention. In the present manuscript, a possible relationship between the two diseases as well as the characteristics of elderly sarcoidosis are discussed.
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Affiliation(s)
- T Araki
- Pulmonary Division, Tokyo Metropolitan Geriatric Hospital
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Takubo K, Nakamura K, Izumiyama N, Furugori E, Sawabe M, Arai T, Esaki Y, Mafune K, Kammori M, Fujiwara M, Kato M, Oshimura M, Sasajima K. Telomere shortening with aging in human liver. J Gerontol A Biol Sci Med Sci 2000; 55:B533-6. [PMID: 11078086 DOI: 10.1093/gerona/55.11.b533] [Citation(s) in RCA: 87] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Progressive telomere shortening with aging was studied in the normal liver tissue of 94 human subjects aged between 0 and 101 years old to determine the rate of telomere loss in 1 year. Telomere length demonstrated accelerated shortening with reduction of 55 base pairs (bp) per year. The mean telomere length in five neonates was 12.9 +/- 2.6 kilobase pairs (kbp), and that in one centenarian was 8.3 kbp. Mean telomere lengths by age group were 13.2 +/- 2.0 kbp (< or = 8 years; 10 subjects), 7.8 +/- 1.9 kbp (40-79 years; 29 subjects), and 7.5 +/- 2.0 kbp (> or = 80 years; 53 subjects), with reduction thus appearing to show slowing on the attainment of middle age. The difference of mean telomere lengths for two groups with or without advanced malignancies of other than liver origin was not significant in the older two groups. Despite the slow turnover of liver tissue, the overall reduction rate of telomere length decrease in 1 year was almost the same as that of digestive tract mucosa, with its very rapid renewal.
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Affiliation(s)
- K Takubo
- Department of Clinical Pathology, Tokyo Metropolitan Institute of Gerontology, Japan.
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38
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Nakamura K, Furugori E, Esaki Y, Arai T, Sawabe M, Okayasu I, Fujiwara M, Kammori M, Mafune K, Kato M, Oshimura M, Sasajima K, Takubo K. Correlation of telomere lengths in normal and cancers tissue in the large bowel. Cancer Lett 2000; 158:179-84. [PMID: 10960768 DOI: 10.1016/s0304-3835(00)00521-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The hypothesis that telomeres in colorectal cancer cells exhibit age-related shortening, as in normal cells of the colorectal epithelium, was tested with samples of non-cancerous mucosa and cancer tissue from 124 patients (aged 29-97 years). Shortening with aging could be demonstrated for both normal and cancer tissues; regression analysis showed rates for length reduction of 44 and 50 base pair/year, respectively. Straight, essentially parallel, lines were obtained for the two cases, normal tissue values being about 2 kilobase pairs (kbp) higher, with a significant correlation between data at the individual patient level.
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Affiliation(s)
- K Nakamura
- Department of Clinical Pathology, Tokyo Metropolitan Institute of Gerontology, 32-5, Sakaecho Itabashi-ku, 173-0015, Tokyo, Japan.
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39
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Furugori E, Hirayama R, Nakamura KI, Kammori M, Esaki Y, Takubo K. Telomere shortening in gastric carcinoma with aging despite telomerase activation. J Cancer Res Clin Oncol 2000; 126:481-5. [PMID: 10961392 DOI: 10.1007/s004320000137] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
In the present study, we analyzed both telomere length and telomerase activity in surgical and autopsy samples of non-neoplastic mucosa and carcinomas of the stomach. Telomere length, determined by Southern blot analysis, demonstrated progressive shortening with age in non-neoplastic gastric mucosal specimens from 38 human subjects aged between 0 and 99 years, with an average annual loss rate of 46 base pairs (bp). The mean (+/- SD) telomere length in 21 gastric carcinomas was 7.0 +/- 1.6 x 10(3) base pairs (1.6 kbp). In 20 (95%) of the 21 subjects, the values were smaller than those in the nonneoplastic gastric mucosa (mean shortening 1.8 kbp), although a strong correlation was observed for the paired data (r = 0.69, P = 0.0004). Similarly, telomere lengths in carcinomas were shorter than those for intestinal metaplasia (a mean difference of 1.1 kbp). Telomerase activity, estimated using the telomeric repeat amplification protocol assay, was positive in 18 (86%) of the 21 gastric carcinomas, without significant differences among the three histological types (well, moderately, and poorly differentiated adenocarcinomas) or with sex or age. The results suggest that telomere length and possibly shortening rates vary with the individual, and that examination of both non-neoplastic mucosa and tumors is necessary to improve our understanding of the significance of telomerase in neoplasia.
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Affiliation(s)
- E Furugori
- Department of Clinical Pathology, Tokyo Metropolitan Institute of Gerontology, Japan.
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Abstract
To determine the pathologic characteristics of colorectal cancer in the very old, a retrospective study of 947 consecutive Japanese patients aged > or =65 with 1,039 lesions were examined. Pathologic findings in the very old group (>85 years, n = 140) were compared with those in the younger groups; young-old group (65-74 years, n = 352) and middle-old group (75-84 years, n = 455). Although male:female ratio significantly decreased with advancing age, reaching 1:1.8 in the very old group, the relative odds of colorectal cancer in men were higher than that in women in all age groups. In the very old group, cancer of the proximal colon (proximal to the splenic flexure) accounted for 52% in women and 37% in men, being significantly higher than those in the younger groups. Proximal colonic cancers increased with advancing age in both genders. Higher proportions of poorly differentiated adenocarcinoma, mucinous carcinoma, cancer >5 cm in size, and protruding type cancer were present in the very old group, although these kinds of tumors typically occur in the proximal colon. The incidence of multiple cancers in the large intestine was not different among any age group (average, 8.6%). These results indicated that, even in the very old, colorectal cancers showed marked proximal excess, being explained by effect of both age and gender, and that the proximal shift may influence the proportion of histologic type and size of the tumor. These findings have important implications for screening and diagnosis of colorectal cancer in the elderly.
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Affiliation(s)
- T Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Japan
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41
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Tanaka Y, Naitoh M, Yoshiura K, Ookubo K, Uegaki S, Matsumoto K, Sawabe M, Esaki Y, Kino K, Tsuru M, Fukazawa T, Takubo K. Hepatocellular carcinoma arising in an elderly male with primary biliary cirrhosis. Eur J Gastroenterol Hepatol 2000; 12:239-41. [PMID: 10741941 DOI: 10.1097/00042737-200012020-00017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
We report the case of an elderly male with asymptomatic primary biliary cirrhosis (PBC) who developed a hepatocellular carcinoma (HCC). The 89-year-old man, who was otherwise healthy, was admitted for investigation of mild hepatic dysfunction, which had been detected during a routine physical check-up. Serum chemistry, positive anti-mitochondrial antibody (M2) and liver biopsy results led to a diagnosis of PBC. Three years later, at age 92, computed tomography (CT) and ultrasound scans of his abdomen revealed a large hepatic tumour, which was confirmed on liver biopsy to be HCC. The tumour ruptured 3 months after diagnosis and the patient was successfully stabilized by coil embolization of his right hepatic artery. We believe that, to date, this is the oldest reported patient to have had interventional radiology for the management of HCC.
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Affiliation(s)
- Y Tanaka
- Department of Gastroenterology, Tokyo Metropolitan Geriatric Hospital, Japan.
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42
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Sawabe M, Arai T, Esaki Y, Fukazawa T, Takubo K, Hirokawa K. Fulminant hepatic failure in the elderly: a clinicopathological study of autopsy cases aged over 65 years. Pathol Int 2000; 50:98-105. [PMID: 10792767 DOI: 10.1046/j.1440-1827.2000.01005.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The pathology of fulminant hepatic failure (FHF) in the elderly is little known because of its very low frequency. Thirteen autopsy cases, all above 65 years of age (mean +/- SD, 72 +/- 6 years), and 10 younger control cases, all below 40 years of age (30 +/- 7 years), were analyzed. The elderly group comprised 10 cases with subacute FHF and three cases with acute FHF, while the younger group comprised seven cases with subacute FHF and three cases with acute FHF. The most predominant pathological type in the elderly group was submassive hepatic necrosis (10 cases), followed by acute hepatitis with bridging hepatic necrosis (AH-BHN; two cases) and massive hepatic necrosis (one case). In two cases of submassive hepatic necrosis, hepatic regeneration seemed to be insufficient for the suggested history. The underlying diseases and terminal complications were significantly more frequent in the elderly group than in the younger group. In conclusion, the immune response in the elderly group is found to be strong enough to cause massive or submassive hepatic necrosis. However, impaired hepatic regeneration is occasionally observed in the elderly cases and AH-BHN is often lethal because of frequent underlying diseases and severe complications.
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Affiliation(s)
- M Sawabe
- Departments of Pathology and; Internal Medicine, Tokyo Metropolitan Geriatric Hospital, Tokyo.
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Yamada S, Esaki Y, Mizutani T. Intracranial cavity volume can be accurately estimated from the weights of intracranial contents: confirmation by the dental plaster casting method. Neuropathol Appl Neurobiol 1999; 25:341-4. [PMID: 10476051 DOI: 10.1046/j.1365-2990.1999.00183.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Intracranial cavity volume is used to evaluate brain size relative to the intracranial space. This volume can theoretically be obtained from the weights and densities of the brain and surrounding cerebrospinal fluid (weight method). However, the accuracy of this method has not been examined. In this study, we examined the reliability of the weight method, by comparing the intracranial cavity volumes of 41 post-mortem cases obtained by the weight method (ICVw) with those obtained by a dental plaster casting method (ICVcast) which was shown to be unbiased. The ICVw was not significantly different from the ICV cast (P=0.49, paired t-test), and the standard error of difference was 18 ml (1.3% of ICVcast). These results show that the weight method is reliable, and applicable to routine autopsies.
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Affiliation(s)
- S Yamada
- Department of Neuropathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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44
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Sawabe M, Arai T, Esaki Y, Fukazawa T, Takubo K. Persistent infection of hepatitis C virus in the elderly: a clinical and quantitative pathological study of autopsy cases. Liver 1999; 19:335-42. [PMID: 10459633 DOI: 10.1111/j.1478-3231.1999.tb00058.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
AIMS/BACKGROUND The entire spectrum of persistent infection by hepatitis C virus (HCV) is still unknown. METHODS A total of 37 autopsy cases, positive with second generation anti-HCV ELISA, were analyzed. The cases comprised 15 males and 22 females, the average ages being 76.5 in males and 81.1 in females. Twenty-one cases were found to be asymptomatic, while 16 were symptomatic. RESULTS Based on two pathological parameters of hepatic fibrosis and inflammation, the cases were divided into five groups; group A (non-inflammatory group without significant fibrosis; 11 cases), group B (inflammatory group without significant fibrosis; 9 cases), group C (non-inflammatory group with significant fibrosis; 1 case), group D (inflammatory group with significant fibrosis; 11 cases) and group E (undetermined inflammatory index; 5 cases). All cases in group A and seven cases in group B were asymptomatic. Group A included 6 cases with normal liver. All cases in groups C and D were symptomatic. All examined cases of the inflammatory groups were positive for serum HCV-RNA. CONCLUSION Anti-HCV-positive elderly autopsy patients include many asymptomatic cases. The two pathological parameters of hepatic fibrosis and inflammation can be used to divide the cases into five groups with each group being well correlated with clinical and virological features.
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Affiliation(s)
- M Sawabe
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Japan
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45
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Chida K, Imai T, Taniguchi T, Maeda S, Watanabe C, Esaki Y, Takubo K, Ohkawa S. Implications of marked fatty infiltration around and in the atrophic atrioventricular node in elderly patients with permanent pacemaker implantation for symptomatic sick sinus syndrome. Jpn Circ J 1999; 63:343-9. [PMID: 10943612 DOI: 10.1253/jcj.63.343] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The present study undertook an extensive analysis of the histopathological findings of the atrioventricular conduction system in 14 elderly patients treated with permanent pacemakers for sick sinus syndrome (SSS). Special attention was given to the lowest Wenckebach block points of atrioventricular conduction during rapid atrial pacing, and ventricular rate or duration of ventricular pause during chronic atrial fibrillation. An electrophysiological study (EPS) was conducted under sinus rhythm in 13 patients and under junctional escape rhythm in 1 patient. Three of the 14 cases showed a lower Wenckebach block point of 130 beats/min or less. Two of these 3 cases showed excessive fatty infiltration around the atrionodal junction area and into the atrophic atrioventricular node (AVN) itself. Of the 6 patients who had chronic atrial fibrillation after pacemaker implantation, 2 cases showed a slow ventricular response of less than 60 beats/min and/or a long ventricular pause of 3.3 s. One of the 2 cases showed a lower Wenckebach block point of 130 beats/min at the time of EPS. The other, who later progressed to idiopathic atriomegaly, also showed marked fatty infiltration around the AVN. This fatty lesion was closely associated with diffuse disruption of the muscular fibers connecting the atrophic AVN with the atrium. In addition, most of the remaining cases also had an atrophic AVN. In conclusion, a sparse or absent atrionodal connection and an atrophic AVN due to excessive fatty infiltration in the atrionodal transitional area should be investigated in atrioventricular conduction disturbances in the elderly with SSS.
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Affiliation(s)
- K Chida
- Division of Cardiology, Tokyo Metropolitan Geriatric Hospital, Japan
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46
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Origuchi N, Kimura W, Sawabe M, Muto T, Esaki Y. The development of a pancreatic abscess, suppurative pylethrombosis, and multiple hepatic abscesses after a pancreatojejunostomy for chronic pancreatitis: report of a case. Surg Today 1999; 29:358-60. [PMID: 10211569 DOI: 10.1007/bf02483063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
We present herein an autopsy case of 63-year-old Japanese man who died as a result of pancreatic abscess, suppurative pylethrombosis, and multiple liver abscesses that had developed 10 years after a pancreato- and cystojejunostomy with side-to-side anastomosis for chronic pancreatitis. Even after this operation, the patient had continued to consume excessive amounts of alcohol. He had first experienced back pain with leukocytosis 9 years after the operation, which relapsed the following year. Despite percutaneous transhepatic gallbladder drainage, his icterus had deteriorated into hepatic insufficiency. Computed tomographic scans of the abdomen had disclosed multiple liver abscesses. At autopsy, a pancreatic abscess and suppurative pylethrombosis as well as multiple liver abscesses were found. There have been few reported cases of such lethal complications developing after a pancreato- and cystojejunostomy for chronic pancreatitis. As the consumption of alcohol would have exacerbated the chronic pancreatitis, such patients should be strongly advised to abstain from drinking alcohol.
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Affiliation(s)
- N Origuchi
- Department of Surgery, The University of Tokyo, Japan
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47
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Abstract
We histologically examined undifferentiated small cell carcinoma of the esophagus from 21 patients and used immunohistochemical methods for detection of chromogranin A and p53, bcl-2, and Rb oncoproteins. Nine (43%) of the 21 carcinomas consisted solely of undifferentiated cells, but heterogeneous components of in situ or invasive squamous cell carcinoma or mucoepidermoid carcinoma were observed in the other 12 (57%) tumors. Squamous cell carcinoma in situ was observed in the mucosa adjacent to the main tumor in 7 (50%) of the 14 resected esophageal specimens. An admixture of invasive squamous cell carcinoma and undifferentiated carcinoma was observed in 4 (19%) of the 21 tumors, and mucoepidermoid carcinoma was noted in one case. Chromogranin A staining yielded a positive reaction in two (10%) undifferentiated components but was negative in all heterogeneous components. Multiple sites of p53 immunopositivity were seen in the undifferentiated component of 17 (81%) of the 21 tumors, as well as in the in situ or invasive squamous cell carcinoma or mucoepidermoid carcinoma components of 9 (75%) of 12 tumors. Seven (33%) of the 21 tumors showed positive bcl-2 immunoreactivity in the small cell component, but all of the heterogeneous components were negative. Rb protein immunoreactivity was observed in the small cell component of one (5%) case and in 9 (75%) of the 12 heterogeneous components. Six (86%) of the seven in situ squamous cell carcinoma components were positive for Rb protein. Eighteen (86%) of the 21 patients died within 24 months of diagnosis. Two patients (10%) who survived for more than 24 months had received chemotherapy.
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Affiliation(s)
- K Takubo
- Department of Clinical Pathology, Tokyo Metropolitan Institute of Gerontology, Japan
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48
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Abstract
A total of 42 Japanese centenarians (9 males & 33 females) autopsied in Tokyo Metropolitan Geriatric Hospital during 22 years (1975-1996) were clinico-pathologically examined to determine details of the main cause of death. The main cause of death of the 42 cases were sepsis (16 cases), pneumonia (14 cases), suffocation (4 cases), heart failure (4 cases), cerebrovascular disorder (2 cases) and malnutrition (2 cases). Most pneumonias were caused aspiration of foreign bodies, and the origins of sepsis were pyelonephritis (7 cases), biliary tract infection (3 cases), necrotic lesions of the intestine due to ileus, ischemia and pseudomembranous colitis (3 cases) and indwelling vein catheter (3 cases). Malignant neoplasms were observed in 16 cases (38%), and 5 of them had 2 or 3 lesions. Thus, the total number of lesions of malignant neoplasms were 22, as follows; colonic cancer (36%), urinary bladder cancer (14%), lung adenocarcinoma (9%), gastric cancer (9%), malignant lymphoma (9%) and others. However, none of these malignant neoplasms were directly related with the cause of death. All 42 centenarians died not of simple "senile decay", but due to diseases.
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Affiliation(s)
- Y Esaki
- Division of Pathology, Tokyo Metropolitan Geriatric Hospital
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49
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Tanaka Y, Tokunaga K, Katsuragawa K, Yoshiura K, Naitoh M, Kino K, Tsuru M, Matsumoto K, Fukazawa T, Kuroiwa K, Sakagawa K, Sawabe M, Takubo K, Esaki Y. Early carcinoma of the distal second part of the duodenum treated by wedge resection. J Clin Gastroenterol 1999; 28:67-9. [PMID: 9916673 DOI: 10.1097/00004836-199901000-00018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A case of early carcinoma of the distal second part of the duodenum, in a 74-year-old man, is presented. Endoscopic retrograde cholangiopancreatography was performed for diagnosis of a common bile duct stone. During this procedure, small elevated lesions were found incidentally in the distal second part of the duodenum, and the histologic examination of a biopsy specimen showed adenocarcinoma. The lesions were removed by wedge resection, and pathologic examination revealed duodenal carcinoma limited to the lamina propria. Although carcinoma of the duodenum, other than of the ampulla of Vater region, is very rare, it is sometimes possible to detect asymptomatic early tumors. However, this requires careful observation of the entire duodenal mucosa, including that of the distal duodenum, at duodenoscopy.
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Affiliation(s)
- Y Tanaka
- Department of Gastroenterology and Hepatology, Tokyo Metropolitan Geriatric Hospital, Japan.
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50
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Arai T, Murata T, Sawabe M, Takubo K, Esaki Y. Primary adenocarcinoma of the duodenum in the elderly: clinicopathological and immunohistochemical study of 17 cases. Pathol Int 1999; 49:23-9. [PMID: 10227721 DOI: 10.1046/j.1440-1827.1999.00820.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Seventeen cases of primary duodenal adenocarcinoma occurring in the elderly (older than 65 years) were examined to clarify their clinicopathological features and biological behavior. The mean age was 77.4 years (range, 66-104), and there was no appreciable difference in the incidence between the sexes (female: male ratio, 8: 9). Thirteen patients had tumors located in the first portion of the duodenum, three in the second portion and one in the third portion. Grossly, there were three varieties of lesions: six polypoid, four flat-elevated and seven ulcerative-invasive. Sixteen cases showed well-differentiated adenocarcinoma, three of which were difficult to distinguish from adenoma, and one was poorly differentiated adenocarcinoma. Three of 16 tumors had poor differentiation in the invasive area, whereas mucosal lesions were well differentiated. Eight tumors had invaded the duodenal wall with occasional involvement of the pancreas. Immunohistochemistry demonstrated p53 protein overexpression in two intramucosal (22.2%) and five invasive (62.5%) cancers. In the intramucosal area the mean Ki-67-positive rate (PR) of the tumors with distant metastasis was significantly higher than that of the tumors without metastasis (46.0 vs 31.6%; P < 0.05), while there was no significant difference in the association between PR and gross feature or depth of the tumors. Clinical follow-up showed three of the five patients with invasive cancer died of carcinoma within 28 months. Compared with published data from other investigators, the results of the present study indicate a proximal shift of duodenal carcinoma in the elderly. Furthermore, it is concluded that invasive duodenal adenocarcinomas with high PR should be considered as potentially aggressive tumors, although their histology may indicate a high degree of differentiation.
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Affiliation(s)
- T Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Japan.
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