Circulation Reports
Online ISSN : 2434-0790
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Original Articles
Exercise Physiology
  • Shinya Minatoguchi, Taro Minagawa, Kaori Osawa, Shinsuke Ojio, Shinji ...
    原稿種別: ORIGINAL ARTICLE
    専門分野: Exercise Physiology
    2024 年 6 巻 7 号 p. 241-247
    発行日: 2024/07/10
    公開日: 2024/07/10
    [早期公開] 公開日: 2024/06/12
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    Background: The German word “kurort” means cure (kur) and area (ort), whereby a patient’s health improves through walking in areas full of nature. A single session of kurort health walking (kurort) decreased high blood pressure and improved mental health. However, its continuing effect with repeat sessions remains unclear.

    Methods and Results: The subjects participated twice in kurort health walking in specially designated courses in Gifu City (n=242). Systolic blood pressure (SBP), diastolic blood pressure (DBP), and pulse rate (PR) were measured before and after kurort health walking. Mental health was assessed using a 10-item checklist after kurort health walking. Both basal SBP and DBP before walking were significantly decreased more in the second session than in the first. In both the first and second sessions SBP and DBP decreased, but the decrease in SBP (∆SBP) by kurort was significantly greater in the SBP ≥140- than in the SBP <140-mmHg group, SBP inversely correlated with ∆SBP, the decrease in DBP (∆DBP) was significantly greater in the DBP ≥90- than in the DBP <90-mmHg group, and DBP inversely correlated with ∆DBP. Mental health was similarly improved after both the first and second kurort.

    Conclusions: Basal SBP and DBP decreased more in the second than in the first kurort. The decrease in SBP and DBP, and improvement of mental health was noted after both sessions.

Hypertension and Circulatory Control
  • Takeshi Horio, Yoshio Iwashima, Minoru Yoshiyama, Daiju Fukuda, Takama ...
    原稿種別: ORIGINAL ARTICLE
    専門分野: Hypertension and Circulatory Control
    2024 年 6 巻 7 号 p. 248-254
    発行日: 2024/07/10
    公開日: 2024/07/10
    [早期公開] 公開日: 2024/06/29
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    電子付録

    Background: The blood pressure (BP)-lowering effect of sacubitril/valsartan (Sac/Val) is greater than that of angiotensin II receptor blockers (ARBs) but in in real-world clinical practice, Sac/Val is used in a variety of patterns other than switching from ARBs. In the present study we investigated the effects of Sac/Val on BP and biochemical parameters when switching from or adding it to various antihypertensive drugs and examined what factors could be predictors of the antihypertensive effect of Sac/Val.

    Methods and Results: In 108 hypertensive patients treated with antihypertensive agents (including 4 naïve cases), clinic BP and various biochemical parameters were assessed before and after switching to/adding Sac/Val (200 mg/day). Systolic and diastolic BPs significantly decreased after treatment with Sac/Val (P<0.0001, respectively). As for biochemical parameters, alanine aminotransferase, triglycerides, C-reactive protein, and uric acid significantly decreased after administration of Sac/Val, but renal function, B-type natriuretic peptide, and plasma renin activity (PRA) did not change before or after treatment with Sac/Val. Multiple regression analysis revealed that low PRA and high baseline systolic BP were independent determinants of systolic BP reduction after Sac/Val treatment.

    Conclusions: Sac/Val is beneficial for poorly controlled hypertension in daily clinical practice and low PRA may be a predictor of the antihypertensive effect of switching to/adding Sac/Val.

Ischemic Heart Disease
  • Tomoyo Sugiyama, Yoshihisa Kanaji, Masahiro Hoshino, Masahiro Hada, Yo ...
    原稿種別: ORIGINAL ARTICLE
    専門分野: Ischemic Heart Disease
    2024 年 6 巻 7 号 p. 255-262
    発行日: 2024/07/10
    公開日: 2024/07/10
    [早期公開] 公開日: 2024/06/11
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    Background: This study investigated the prognostic value of cardiovascular magnetic resonance (CMR)-derived global coronary flow reserve (G-CFR) in addition to cardiopulmonary exercise testing (CPET) variables in patients with acute myocardial infarction (AMI).

    Methods and Results: We investigated 127 patients with AMI who underwent primary or urgent percutaneous coronary intervention (PCI) and post-intervention CMR and CPET. The incidence of major cardiac and cerebrovascular events (MACCE), defined as all-cause death, recurrent non-fatal myocardial infarction, re-hospitalization due to congestive heart failure, and stroke, was evaluated (median follow-up, 2.8 years). Patients with MACCE (n=14) had lower ejection fraction (EF) (50 [43–59] vs. 58 [51–63]%; P=0.014), lower G-CFR (1.74 [1.19–2.20] vs. 2.40 [1.61–3.66]; P=0.008), and lower peak oxygen consumption (V̇O2) (15.16±2.64 vs. 17.19±3.70 mL/kg/min; P=0.049) than patients without MACCE. G-CFR<2.33 and peak V̇O2<15.65 mL/kg/min (cut-off values derived from receiver operating characteristic curve analyses) were significantly associated with the incidence of MACCE (log-rank test, P=0.01). The combination of low G-CFR and low peak V̇O2improved risk discrimination for MACCE when added to the reference clinical model including age, male sex, post-PCI peak creatine kinase, EF, and left anterior descending artery culprit lesion.

    Conclusions: G-CFR and peak V̇O2showed incremental prognostic information compared with the reference model using historically important clinical risk factors, indicating that this approach may help identify high-risk patients who suffer subsequent adverse events.

  • Junya Komatsu, Yu-ki Nishimura, Hiroki Sugane, Hayato Hosoda, Ryu-ichi ...
    原稿種別: ORIGINAL ARTICLE
    専門分野: Ischemic Heart Disease
    2024 年 6 巻 7 号 p. 263-271
    発行日: 2024/07/10
    公開日: 2024/07/10
    [早期公開] 公開日: 2024/06/22
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    Background: Older adults with acute myocardial infarction (AMI) are currently a rapidly growing population. However, their clinical presentation and outcomes remain unresolved.

    Methods and Results: A total of 268 consecutive AMI patients were analyzed for clinical characteristics and outcomes with major adverse cardiovascular events (MACE) and all-cause mortality within 1 year. Patients aged ≥80 years (Over-80; n=100) were compared with those aged ≤79 years (Under-79; n=168). (1) Primary percutaneous coronary intervention (PCI) was frequently and similarly performed in both the Over-80 group and the Under-79 group (86% vs. 89%; P=0.52). (2) Killip class III–IV (P<0.01), in-hospital mortality (P<0.01), MACE (P=0.03) and all-cause mortality (P<0.01) were more prevalent in the Over-80 group than in the Under-79 group. (3) In the Over-80 group, frail patients showed a significantly worse clinical outcome compared with non-frail patients. (4) Multivariate analysis revealed Killip class III–IV was associated with MACE (odds ratio [OR]=3.51; P=0.02) and all-cause mortality (OR=9.49; P<0.01) in the Over-80 group. PCI was inversely associated with all-cause mortality (OR=0.13; P=0.02) in the Over-80 group.

    Conclusions: The rate of primary PCI did not decline with age. Although octogenarians/nonagenarians showed more severe clinical presentation and worse short-term outcomes compared with younger patients, particularly in those with frailty, the prognosis may be improved by early invasive strategy even in these very old patients.

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