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Wakabayashi H, Taki J, Inaki A, Toratani A, Kayano D, Kinuya S. Extremity Radioactive Iodine Uptake on Post-therapeutic Whole Body Scan in Patients with Differentiated Thyroid Cancer. Asia Ocean J Nucl Med Biol 2015; 3:26-34. [PMID: 27408878 PMCID: PMC4937686] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVES We investigated a frequency of lower extremity uptake on the radioactive iodine (RAI) whole body scan (WBS) after RAI treatment in patients with differentiated thyroid cancer, in order to retrospectively examine whether or not the frequency was pathological. METHODS This retrospective study included 170 patients with thyroid cancer, undergoing RAI treatment. Overall, 99(58%) and 71(42%) patients received single and multiple RAI treatments, respectively. Post-therapeutic WBS was acquired after 3 days of RAI administration. For patients with multiple RAI treatments, the WBS of their last RAI treatment was evaluated. Lower extremity uptake on post-therapeutic WBS was classified into 3 categories: bilateral femoral uptake (type A), bilateral femoral and tibia uptake (type B), and uptake in bilateral upper and lower extremities (type C). Then, the patients with RAI uptake in the lower extremities on WBS were analyzed with clinical parameters. RESULTS Overall, 99 patients (58%) had the extremity uptake on their posttherapeutic RAI WBS. As the results indicated, 42, 53, and 4 patients had type A, type B, and type C uptakes, respectively. Lower extremity uptake was significantly associated with younger age, not only in subjects with multiple RAI treatments but also in all the patients (P<0.05). Accumulation in patients with multiple RAI treatments was more frequent than patients with single RAI treatment (P<0.05). Lower extremity uptake was not associated with counts of the white blood cell count, hemoglobin level, platelet count, estimated glomerular filtration rate, effective half-time of RAI, serum TSH level, and anti-Tg concentration. CONCLUSION About half of the patients had lower extremity uptake on the posttherapeutic RAI WBS, especially younger patients and those with multiple courses of RAI treatment. Bilateral lower extremity's RAI uptake on the posttherapeutic WBS should be considered as physiological RAI distribution in bone marrow.
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Affiliation(s)
- Hiroshi Wakabayashi
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan,*Corresponding author: XHiroshi Wakabayashi, Department of Nuclear Medicine, Kanazawa University Hospital, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641, Japan. Tel: +81762652333; Fax: +81762344257; E-mail:
| | - Junichi Taki
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Anri Inaki
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Ayane Toratani
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Daiki Kayano
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Seigo Kinuya
- Department of Nuclear Medicine, Kanazawa University, Kanazawa, Ishikawa, Japan
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Yoshinaga K, Oriuchi N, Wakabayashi H, Tomiyama Y, Jinguji M, Higuchi T, Kayano D, Fukuoka M, Inaki A, Toratani A, Okamoto S, Shiga T, Ito YM, Nakajo M, Nakajo M, Kinuya S. Effects and safety of ¹³¹I-metaiodobenzylguanidine (MIBG) radiotherapy in malignant neuroendocrine tumors: results from a multicenter observational registry. Endocr J 2014; 61:1171-80. [PMID: 25214026 DOI: 10.1507/endocrj.ej14-0211] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [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: 11/23/2022] Open
Abstract
Effective treatments for malignant neuroendocrine tumors are under development. While iodine-131 metaiodobenzylguanidine (¹³¹I-MIBG) radiotherapy has been used in the treatment of malignant neuroendocrine tumors, there are few studies evaluating its therapeutic effects and safety in a multicenter cohort. In the current study, we sought to evaluate the effects and safety of ¹³¹I-MIBG therapy for conditions including malignant pheochromocytoma and paraganglioma within a multicenter cohort. Forty-eight malignant neuroendocrine tumors (37 pheochromocytoma and 11 paraganglioma) from four centers underwent clinical ¹³¹I-MIBG radiotherapy. The tumor responses were observed before and 3 to 6 months after the ¹³¹I-MIBG radiotherapy in accordance with RECIST criteria. We also evaluated the data for any adverse effects. The four centers performed a total of 87 ¹³¹I-MIBG treatments on 48 patients between January 2000 and March 2009. Of the treatments, 65 were evaluable using RECIST criteria. One partial response (PR), 40 stable disease (SD), and 9 progressive disease (PD) in malignant pheochromocytoma were observed after each treatment. Fourteen SD and one PD-were observed in paraganglioma. Patients with normal hypertension (systolic blood pressure (BP) > 130 mmHg) showed significantly reduced systolic BP after the initial follow-up (n=10, 138.1±8.2 to 129.5±13.5 mmHg, P=0.03). In adult neuroendocrine tumors with a treatment-basis analysis, there were side effects following 41 treatments (47.1%) and most of them (90.2%) were minor. In this multicenter registry, PR or SD was achieved in 84.6% of the treatment occasions in adult neuroendocrine tumors through ¹³¹I-MIBG radiotherapy. This indicated that most of the ¹³¹I-MIBG radiotherapy was performed safely without significant side effects.
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Affiliation(s)
- Keiichiro Yoshinaga
- Department of Molecular Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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3
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Yamasaki S, Sawada S, Komatsu S, Kawahara T, Tsuda Y, Sato T, Toratani A, Kono Y, Higaki T, Imamura H, Tada Y, Akamatsu N, Tamagaki T, Tsuji H, Nakagawa M. Effects of bradykinin on prostaglandin I(2) synthesis in human vascular endothelial cells. Hypertension 2000; 36:201-7. [PMID: 10948078 DOI: 10.1161/01.hyp.36.2.201] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [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: 11/16/2022]
Abstract
The effects of bradykinin on the regulatory mechanisms of prostacyclin synthesis in endothelial cells were investigated in association with intracellular Ca(2+) kinetics, cytosolic phospholipase A(2) (cPLA(2)) activity, and mRNA expression of cPLA(2) and prostaglandin H synthase (PGHS) isoforms. Bradykinin enhanced prostacyclin release from endothelial cells time-dependently, but pretreatment with EGTA H-7 or HOE 140 inhibited bradykinin-induced prostacyclin release. Bradykinin increased both the influx of extracellular Ca(2+) and Ca(2+) release from the intracellular Ca(2+) storage sites. These reactions occurred within 5 minutes after bradykinin stimulation. Within 15 minutes, bradykinin activated cPLA(2) to 1.3-fold the control level. The constitutive expressions of mRNA of cPLA(2), PGHS-1, and PGHS-2 was 87, 562, and 47 amol/microg RNA, respectively. With the stimulation of bradykinin, cPLA(2) mRNA increased to 746 amol/microg RNA in 15 minutes, PGHS-1 mRNA increased to 10 608 amol/microg RNA, and PGHS-2 mRNA increased to 22 400 amol/microg RNA in 180 minutes. Pretreatment with cycloheximide superinduced cPLA(2) and PGHS-2 mRNA expression but almost completely inhibited PGHS-1. Pretreatment with EGTA had effects similar to pretreatment with cycloheximide in the case of cPLA(2) and PGHS-1 but did not affect PGHS-2. These findings suggest that the elevation of cPLA(2) activity caused by the increase of intracellular Ca(2+) concentration is important in the early phase of bradykinin-induced prostacyclin synthesis and that the mechanisms regulating cPLA(2) are different from those regulating PGHS isoforms in endothelial cells.
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MESH Headings
- Bradykinin/pharmacology
- Calcium/metabolism
- Cells, Cultured
- Cytosol/drug effects
- Cytosol/enzymology
- Dose-Response Relationship, Drug
- Egtazic Acid/pharmacology
- Endothelium, Vascular/cytology
- Endothelium, Vascular/drug effects
- Endothelium, Vascular/metabolism
- Epoprostenol/biosynthesis
- Gene Expression Regulation, Enzymologic/drug effects
- Humans
- Inositol 1,4,5-Trisphosphate/metabolism
- Isoenzymes/drug effects
- Isoenzymes/genetics
- Isoenzymes/metabolism
- Phospholipases A/drug effects
- Phospholipases A/genetics
- Phospholipases A/metabolism
- Prostaglandin-Endoperoxide Synthases/drug effects
- Prostaglandin-Endoperoxide Synthases/genetics
- Prostaglandin-Endoperoxide Synthases/metabolism
- RNA, Messenger/drug effects
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
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Affiliation(s)
- S Yamasaki
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Japan
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4
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Kono Y, Sawada S, Tsuda Y, Higaki T, Tada Y, Imamura H, Yamasaki S, Sato T, Toratani A, Akamatsu N, Komatsu S, Tsuji H, Nakagawa M. Effect of high density lipoprotein on the apoptosis in human vascular endothelial cells. Atherosclerosis 2000. [DOI: 10.1016/s0021-9150(00)80967-3] [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: 10/18/2022]
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5
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Higaki T, Sawada S, Kono Y, Imamura H, Tada Y, Yamasaki S, Toratani A, Sato T, Komatsu S, Akamatsu N, Tamagaki T, Tsuda Y, Tsuji H, Nakagawa M. A role of protein kinase C in the regulation of cytosolic phospholipase A(2) in bradykinin-induced PGI(2) synthesis by human vascular endothelial cells. Microvasc Res 1999; 58:144-55. [PMID: 10458930 DOI: 10.1006/mvre.1999.2163] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [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: 11/22/2022]
Abstract
The purpose of this study was to elucidate the mechanism by which bradykinin (BK) enhances prostacyclin (PGI(2)) production in human umbilical vein endothelial cells (HUVEC). BK-induced enhancement of PGI(2) synthesis was observed in a dose- and time-dependent manner, and it also increased [Ca(2+)](i) followed by enhancement of cytosolic phospholipase A(2) (cPLA(2)) activity. The PKC inhibitors GF109203X and H7 attenuated the BK-induced increase in [Ca(2+)](i) and inhibited the BK-induced PGI(2) synthesis. Phorbol 12-myristate 13-acetate increased cPLA(2) activity and PGI(2) synthesis but failed to alter [Ca(2+)](i). BK increased cPLA(2) mRNA eightfold by 15 min, and this increase was inhibited by pretreatment with the PKC inhibitors. In response to cycloheximide pretreatment, cPLA(2) mRNA was superinduced. These results suggest that BK stimulates PGI(2) synthesis in HUVEC by activation of cPLA(2) by dual mechanisms: an elevation of [Ca(2+)](i) and a PKC-dependent pathway. Moreover, changes in calcium kinetics and expression of cPLA(2) mRNA may underlie the BK-induced PGI(2) enhancement in these cells.
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Affiliation(s)
- T Higaki
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
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6
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Toratani A, Sawada S, Kono Y, Higaki T, Imamura H, Tada Y, Yamasaki S, Sato T, Komatsu S, Akamatsu N, Tamagaki T, Nakagawa K, Tsuji H, Nakagawa M. Interleukin-1alpha stimulated prostacyclin release by increasing gene transcription of prostaglandin H synthase and phospholipase A2 in human vascular endothelial cells. J Cardiovasc Pharmacol 1999; 33:843-51. [PMID: 10367586 DOI: 10.1097/00005344-199906000-00003] [Citation(s) in RCA: 7] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This study was conducted to evaluate the effects of interleukin-1alpha (IL-1alpha) on prostacyclin (PGI2) production in cultured human vascular endothelial cells in association with intracellular Ca2+, inositol 1,4,5-trisphosphate (IP3), and with prostaglandin H synthase (PGHS) and phospholipase A2 (PLA2) gene expression by using the competitive polymerase chain reaction (PCR) method. IL-1alpha did not increase PGI2 production for 15 min, but induced an increase of about three-fold relative to that in controls at 60 and 180 min. IL- 1alpha had no effect on intracellular Ca2+ levels throughout the experimental period. In this study, consistent with previous reports, PGHS-1 messenger RNA (mRNA) was constitutively expressed, whereas PLA2 mRNA was not. After stimulation with IL-1alpha, PLA2 mRNA level showed an eightfold increase within 15 min, and PGHS-2 mRNA level increased by 76-fold within 180 min. PGHS-1 mRNA level was increased 1.6-fold at 180 min. These results suggest the existence of regulatory mechanisms of IL-1alpha-induced PGI2 production, which involve PGHS and PLA2 gene transcription.
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Affiliation(s)
- A Toratani
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Japan
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7
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Kono Y, Sawada S, Higaki T, Tada Y, Imamura H, Yamasaki S, Sato T, Toratani A, Akamatsu N, Komatsu S, Tamagaki T, Nakagawa K, Tsuji H, Nakagawa M. Effect of bradykinin and captopril on the apoptosis in human vascular endothelial cells. Atherosclerosis 1999. [DOI: 10.1016/s0021-9150(99)80205-6] [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: 10/23/2022]
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8
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Komatsu S, Sawada S, Tamagaki T, Tsuda Y, Kono Y, Higaki T, Imamura H, Tada Y, Yamasaki S, Toratani A, Sato T, Akamatsu N, Tsuji H, Nakagawa M. Effect of probucol on intracellular pH and proliferation of human vascular endothelial cells. J Pharmacol Toxicol Methods 1999; 41:33-41. [PMID: 10507756 DOI: 10.1016/s1056-8719(99)00019-2] [Citation(s) in RCA: 7] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We investigated the effect of probucol on the intracellular pH ([pH]i) and proliferation of human umbilical vein endothelial cells (HUVEC), as well as their production of prostacyclin (PGI2). The addition of probucol produced a biphasic shift in [pH]i, with a brief initial acidification followed by a rapid alkaline shift. After pretreatment with EGTA, the initial decrease in [pH]i was abolished, and the subsequent increase was inhibited. After pretreatment with amiloride, only the increase of [pH]i was abolished. These results suggest that the probucol-induced increase of [pH]i was mainly dependent on Na+/H+ exchange and partly on extracellular Ca2+. In contrast, the addition of LDL produced a decrease of [pH]i. Under Ca2+-free condition, [pH]i was further decreased by LDL. In cells pretreated with amiloride, however, [pH]i was not further decreased by LDL. It was found that probucol promoted cell proliferation, and LDL inhibited cell proliferation. Addition of probucol also enhanced prostacyclin generation by HUVEC. This enhancement of PGI2 generation resulted from increased release of Ca2+ from the storage sites, due not only to increased production of inositol 1,4,5-triphosphate (IP3) but also to the increase of [pH]i. These findings may help to explain the antiatherosclerotic action of probucol.
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Affiliation(s)
- S Komatsu
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Japan
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Higaki T, Sawada S, Kono Y, Imamura H, Tada Y, Yamasaki S, Komatsu S, Sato T, Toratani A, Akamatsu N, Tamagaki T, Tsuji H, Nakagawa M. 3.P.210 The role of protein kinase C on regulation of cytosolic phospholipase A2 in human vascular endothelial cells. Atherosclerosis 1997. [DOI: 10.1016/s0021-9150(97)89285-4] [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: 10/16/2022]
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10
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Tamagaki T, Sawada S, Imamura H, Tada Y, Yamasaki S, Toratani A, Sato T, Komatsu S, Akamatsu N, Yamagami M, Kobayashi K, Kato K, Yamamoto K, Shirai K, Yamada K, Higaki T, Nakagawa K, Tsuji H, Nakagawa M. Effects of high-density lipoproteins on intracellular pH and proliferation of human vascular endothelial cells. Atherosclerosis 1996; 123:73-82. [PMID: 8782838 DOI: 10.1016/0021-9150(95)05774-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.9] [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: 02/02/2023]
Abstract
We investigated the effects of high-density lipoprotein (HDL) on the intracellular pH ([pH]i), and on the proliferation of human vascular endothelial cells (HUVEC), as well as on their production of prostacyclin (PGI2). The [pH]i was slightly acidified when extracellular Ca2+ was chelated with EGTA. Pretreatment of HUVEC with amiloride, the Na+/H+ exchange inhibitor, caused the [pH]i to become strongly acidic. The addition of HDL produced a biphasic shift in [pH]i, with a brief initial acidification followed by a rapid alkaline shift. The initial decrease in [pH]i was abolished in the cells pretreated with EGTA, and subsequent alkalinization was inhibited. The alkalinization of [pH]i disappeared in the cells pretreated with amiloride. These results suggest that [pH]i depends mainly on Na+/H+ exchange and partially on the extracellular Ca2+ of the HUVEC either in the resting unstimulated state or during HDL stimulation. In contrast, the addition of LDL produced an acidification of [pH]i, which was increased by LDL in the Ca(2+)-free condition. In the cells pretreated with amiloride, [pH]i was not further acidified by LDL. As a result, HDL promoted the proliferation of cells, an action that was inhibited by pretreatment with EGTA. However LDL inhibited cell proliferation, an action unaffected by EGTA pretreatment. The addition of HDL also enhanced the generation of prostacyclin in endothelial cells, the enhancement of PGI2 generation resulted from an increase in the release of Ca2+ from storage sites, due not only to an increased production of inositol 1,4,5-trisphosphate (IP3), but also to the alkalinization of [pH]i. These effects may be involved in the mechanism of HDL's anti-atherosclerotic action.
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Affiliation(s)
- T Tamagaki
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Japan
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11
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Uchida A, Shimura K, Takenaka M, Nakamura K, Sato T, Toratani A, Akamatsu N, Komatsu S, Tamagaki T, Nakata T. [A case of occult insulinoma localized by intra-arterial stimulation with calcium and venous sampling technic]. Nihon Shokakibyo Gakkai Zasshi 1995; 92:1320-6. [PMID: 7474492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- A Uchida
- Second Department of Medicine, Kyoto Prefectural University of Medicine
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Arimoto T, Toratani A, Ito K, Iwasaki Y, Nakamura T, Nakagawa M. [Relationship between sleep stage and blood pressure variability during apnea in patients with sleep apnea syndrome]. Nihon Kyobu Shikkan Gakkai Zasshi 1995; 33:917-23. [PMID: 8538085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A marked transient increase in blood pressure can occur at the end of each apneic period in patients with sleep apnea syndrome (SAS) and SAS may be a risk factor for cerebrovascular disease. To estimate blood pressure variability during apnea arterial blood pressure was directly and continuously recorded, and the transient increase in blood pressure in each sleep stage was assessed. Polysomnography was done in 5 men with SAS: arterial blood pressure, oxygen saturation, and respiratory curves were recorded. The maximum arterial blood pressure during the apneic period was compared with that at the end of apnea. The transient increase in blood pressure was 32.2 +/- 5.8 mmHg (mean +/- S.E.) for systolic pressure and 18.2 +/- 2.1 mmHg for diastolic pressure. During REM sleep, the values were 38.8 +/- 6.6 mmHg for systolic pressure and 23.4 +/- 2.2 mmHg for diastolic pressure. The increase in arterial blood pressure was significantly higher during REM sleep than during N-REM sleep (p < 0.05). This wide variation in blood pressure suggests that SAS is a risk factor for cerebrovascular disease, and that SAS may promote essential hypertension.
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Affiliation(s)
- T Arimoto
- Second Department of Medicine, Kyoto Prefectural University of Medicine, Japan
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Nakagawa K, Tsuji H, Masuda H, Kitamura H, Ogasahara Y, Nakahara Y, Komatsu S, Nishimura H, Kasahara T, Yamashita R, Sato T, Toratani A, Sawada S, Nakagawa M. Assessment of coagulation and fibrinolytic levels in patients with cancer and disseminated intravascular coagulation. Pathophysiology 1994. [DOI: 10.1016/0928-4680(94)90304-2] [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: 10/27/2022] Open
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Sato T, Goto H, Toratani A, Yamagata N, Ashihara E, Oku N, Inaba T, Fujita N, Shimazaki C, Nakagawa M. [Neoplastic angioendotheliosis presenting Tolosa-Hunt syndrome, intraspinal invasion and intraorbital tumor]. Rinsho Ketsueki 1994; 35:557-61. [PMID: 8078190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A 76-year-old woman with painful erythema on legs and right oculomotor disturbance was diagnosed as neoplastic angioendotheliosis (NAE, B cell type) by skin biopsy. Remission was obtained by 2 courses of VEPA regimen. But 3 months later, she relapsed with right oculomotor, optic, trochlear and trigeminal nerve disturbance which suggested that she had Tolosa-Hunt syndrome. Cerebrospinal fluid (CSF) revealed infiltration of lymphoma cells. She developed intraorbital tumor and died of respiratory failure due to tumor emboli. Autopsy revealed infiltration of tumor cells in the small vessels of systemic organs. This rare case presented intracerebrospinal and intraorbital tumor growth in addition to intravascular infiltration of tumor cells.
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Affiliation(s)
- T Sato
- Second Department of Medicine, Kyoto Prefectural University of Medicine
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