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The effect of different intensity aerobic exercise training on blood pressure control in hypertensive patients

Xiuyao LIN ; Liu WANG ; Dabin ZHU ; Yunhai XU ; Jingfeng WANG

Chinese Journal of Internal Medicine.2009;48(12):1023-1025. doi:10.3760/cma.j.issn.0578-1426.2009.12.012

Objective To compare the therapeutic effect of aerobic exercise training of different intensity on hypertension. Methods Sixty hypertensive patients were randomly allocated to 2 groups and treated with aerobic exercise training at 20% or 60% of maximal intensity. Not only were the relevanl parameters of exercise capacity measured by the use of treadmill exercise test,but also was ambulatory blood pressure monitored and the quality of life recorded before and after the therapy. Results There was nc significant difference of the decrement in any parameter of ambulatory blood pressure between the two groups ( P>0. 05).There was a significant difference of the increment of general health, vitality, emotion and mentality between the two groups after treatment with group A better than group B(P <0. 05). Conclusions Aerobic exercise training at 20% and 60% of the maximal intensity has similar ambulatory blood pressure, but the quality of life is significantly better after aerobic exercise training at 20% of the maximal intensity.

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The risk factors for malnutrition in post-stroke patients

Jiangsheng YANG ; Shaoshi WANG ; Xiaoyu ZHOU ; Zhenli CHEN ; Chunfeng LIU ; Yueping SHEN ; Junjie HAO

Chinese Journal of Internal Medicine.2009;48(12):1016-1018. doi:10.3760/cma.j.issn.0578-1426.2009.12.010

Objective To investigate the detection rate of malnutrition among post-stroke patients in community hospitals and unravel the relevant factors that precipitate malnutrition after stroke. Methods Based on 438 post-stroke patients who were admitted in community hospitals, we examined the demographic characteristics, the nutritional indices and the possible malnutrition related factors through a cross-sectional study.Results The detection rate of malnutrition among post-stroke patients was 52.7%. Group comparison through multivariate logistic regression analysis showed that there was a higher malnutrition detection rate in the post-stroke patients with multiple stroke attacks (three stroke attackes and above, OR = 11.00,95%CI 1. 14-106.34), higher NIHSS scores (group with NIHSS≥15, OR=7.09, 95% CI 2.90-17.36) , higher modified Rankin scales (group mRS 4-5, OR = 15. 77,95% CI 6.61-37.59) (trend test P<0.0001) .The risk of malnutrition was also correlated with the post-stroke depression, poorer family care, no early-stage rehabilitation, history of malignant tumors and severe alcoholism. Conclusions There is a high detection rate of malnutrition among post-stroke patients in community hospitals. There are many factors related to malnutrition among post-stroke patients in the community. More attention to controllable influencing factors would improve the prognosis of post-stroke patients.

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Prognostic value of adenosine tri phosphate myocardial perfusion tomography in octogenarians

Hua WANG ; Xuezhai ZENG ; Jiefu YANG ; Deping LIU ; Zhiguo YU ; Wei LI ; Zhiming YAO

Chinese Journal of Internal Medicine.2009;48(12):1012-1015. doi:10.3760/cma.j.issn.0578-1426.2009.12.009

Objective To evaluate the prognostic value of ~(99m)Tc-MIBI myocardial perfusion single-photon emission computed tomography (MPS) with adenosine triphosphate in patients aged 80 years or older. Methods A total of 265 patients [ mean age (84. 2 ±3.6) years old ] who underwent adenosine triphosphate and rest ~(99m)Tc-MIBI myocardial SPECT imaging were followed-up for (36. 7 ± 22. 8 ) months. Results During the period of follow-up, 57 patients (20. 4% ) suffered from cardiac events, including 20 major events: 5 cardiac death and 15 acule non-fatal myocardial infarction, 14 unstable angina pectoris,7 heart failure and 16 cases undergoing PCI. The cardiac event rate in patients with fixed or mixed perfusion defects (n = 54) was 50%, which was significantly higher lhan that in patients with reversible perfusion defects(n=67, 31. 3% ,P<0. 05) and normal perfusion imaging( n = 144, 6. 2% ,P <0. 01 ) . The major cardiac event rate in patients with fixed or mixed perfusion defects was 27. 8% , which was significantly higher than that in those with reversible perfusion defects ( 6. 0% , P < 0. 05) and normal perfusion imaging (0.7%, P < 0. 01 ) . Cox multivariate analysis revealed that an abnormal MPS was the most important independent predictor of major or total cardiac events. Conclusions ~(99m) Tc-MIBI MPS with ATP is demonstrated to be a powerful tool for the prognostic evaluation in octogenarian population. Octogenarians with a normal MPS have a low risk of major or total cardiac events, but when an abnormal MPS is present, the risk is significantly higher, being highest in patients with fixed or mixed perfusion defects.

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The effect of different dosage of aspirin on inflammatory biomarkers and prognosis in acute coronary syndrome

Wenlin REN ; Lifen SONG ; Yuqing LIANG ; Ruijie LI ; Zhinong YIN ; Yuyun XU ; Dayi HU

Chinese Journal of Internal Medicine.2009;48(12):1008-1011. doi:10.3760/cma.j.issn.0578-1426.2009.12.008

Objective To observe and assess the effect of different dosages of aspirin on inflammatory biomarkers, hemorheology (platelet aggregation rate) and clinical prognosis in patients with acute coronary syndrome ( ACS). Methods ACS patients were randomly assigned to receive different dosages of aspirin treatment orally. Patients in group A,B and C took 100 mg, 500 mg and 1000 mg of aspirin per day respectively. They were treated and followed-up for 1 year. High-sensitivity C-reactive protein ( hsCRP) , IL-6, tumor necrosis TNFot and platelet aggregation rate were examined and major adverse cardiac events( MACE) were recorded. Results A total of 312 patients with ACS were enrolled in the study. The baseline characteristics of the three groups were not different with respect to age, gender, cardiovascular risk profile, level of inflammatory biomarkers and concomitant treatment before and after randomization. The levels of baseline serum hsCRP, IL-6 and TNFa were higher in subjects of the study as compared with normal reference value (P<0. 05, <0. 05, <0. 01) and they decreased significantly after therapy with 3 different doses of aspirin (detected at 30 days, 6 months and 12 months, P <0. 001 ) , but there were no significant differences among the three groups( P >0. 05) . Rehospitalization , MACE and the change of platelet aggregation ratio were not significantly different among the three groups. The incidence of gastrointestinal complaints was significantly higher in groups B and C than in group A ( P < 0. 05 ). Conclusions The levels of serum inflammatory biomarker increase in patients with ACS. Aspirin therapy may decrease the level of inflammatory markers significantly, but increasing the dosage of aspirin from 100 mg to 1000 mg daily does not decrease the level of inflammatory markers and the clinical MACEs further. However, the incidence of gastrointestinal complaints increase significantly with the increase of aspirin dosage.

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Epidemiology of Helicobacter pylori infection in Shandong and Beijing areas

Donghong ZHANG ; Liya ZHOU ; Sanren LIN ; Shigang DING ; Yonghui HUANG ; Fang GU ; Li ZHANG ; Yuan LI ; Rongli CUI ; Lingmei MENG ; Xiue YAN ; Jing ZHANG

Chinese Journal of Internal Medicine.2009;48(12):1004-1007. doi:10.3760/cma.j.issn.0578-1426.2009.12.007

Objectives To study the current prevalence and recent epidemiological changes of Helicobacter pylori (H. pylori) infection among children and adults residing in regions with high ( Muping, Shandong) and low (Yanqing, Beijing) incidence of gastric cancer in China. Methods A total of 2065 asymptomatic children aged 8-15 years and adults aged 40-79 years in the above two regions were examined from May to July 2006. The data obtained in early 1990s in the same two areas and those of 11 656 patients undergoing endoscopy in our hospital in 1991 and 2006 were also collected and studied. Results The prevalence ofH. pylori infection in Muping was significantly higher than that in Yanqing among both children (37.69% vs25.58%, P<0.001) and adults (50.95% vs41.35%, P < 0. 01 ). From 1991 to 2006 H. pylori prevalence among children aged 8-10 years decreased in Muping (60. 00% vs 32. 07% , P < 0.001), but not in Yanqing (24.06% vs 19.10%, P > 0. 05 ) . A significant decrease in H. pylori prevalence among adults in both regions was observed when the results of 2006 were compared with the data obtained in 1990 in Muping (50.95% vs 73.78% , P < 0. 001 ) and in 1992 inYanqing (41.35% vs 55. 35% , P < 0. 01 ) . The detected rate of H. pylori infection in patients undergoing endoscopy in our hospital decreased from 51. 88% in 1991 to 33. 59% in 2006 (P <0. 001). Conclusions The prevalence of H. pylori infection is significantly higher in areas with a high incidence of gastric cancer in China as compared with that in areas with a low incidence of gastric cancer among both children and adults. H. pylori infection may be a risk factor in gastric carcinogenesis. In the past decade or more, H.pylori infection rates have decreased in Chinese population.

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The effects of strict dietary salt restriction on blood pressure and proteinuria in chronic glomerulonephritis patients

Luying SUN ; Yu WANG ; Shufang CHEN ; Mengli SUN ; Xiaomei LI

Chinese Journal of Internal Medicine.2009;48(12):995-998. doi:10.3760/cma.j.issn.0578-1426.2009.12.005

Objective To evaluate the effects of strict dietary salt restriction on blood pressure and proteinuria in chronic glomerulonephritis (CGN) patients. Methods From October 2007 to April 2009, 32 CGN inpatients were enrolled. Among them, 15 patients followed a strict dietary salt restriction menu (sodium 100 mmol/d, potassium 50 mmol/d, protein (0. 8-1. 0) g · kg~(-1) · d~(-1) , calorie (105-125) KJ · kg~(-1) · d~(-1) ) for 7 days, while the other 17 patients were fed freely offered by hospital as controls. 24 h urinary sodium excretion (24h-UNa) was used to monitor the salt intake. No changes of drug therapy were made during the study. Blood pressure was monitored every day. 24-hour urinary protein and serum biochemical parameter were measured before and after the study. Results There was no significant difference of baseline 24h-UNa between the two groups [(135.1 ±50.4) mmol/d vs (137.4 ±28.6) mmol/d) ]. During the study, the average 24h-UNa of patients with strict dietary intervention was (97. 2 ± 8.6) mmol/d. Both SBP [ (117. 7 ± 10. 0) mm Hg( 1 mm Hg=0. 133 kPa) vs (106.2 ±9.9) mm Hg] and DBP [ (76. 3 ± 6. 1 ) mm Hg vs (67. 5 ± 5. 5 ) mm Hg] decreased significantly ( P < 0. 001 ) . Proteinuria decreased significantly too [ 1. 57 (0. 3-3. 0) g/d vs 0. 57 (0. 16-2. 72) g/d,P = 0. 006]. The reduction of SBP was positively correlated with the reduction of 24h-UNa (r =0. 572, P =0. 026) , while the reduction of proteinuria correlated with both the reduction of SBP (r = 0. 568, P = 0. 027) and 24h-UNa (r =0. 525, P =0. 044). In the control group, only SBP decreased significantly [ ( 122. 6 ± 15. 5) mm Hg vs (115.8 ±10.4) mm Hg, P = 0.02] without significant changes of DBP and proteinuria When comparing the subgroups who took ACEI/ARB from both groups, the reduction of proteinuria wasmore prominent of those from the study group than the control group [ - 0. 4 ( -0. 95-0. 07) vs 0. 07 ( - 0. 39-0. 42), P = 0. 014 ]. Conclusion Strict dietary salt restriction is effective in reducing blood pressure and proteinuria in CGN patients.

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The relationship between insulin resistance and left ventricular hypertrophy in patients with early chronic kidney disease

Chengjun WANG ; Xiaorong BAO

Chinese Journal of Internal Medicine.2009;48(12):999-1003. doi:10.3760/cma.j.issn.0578-1426.2009.12.006

Objective To analyze the relationship between insulin resistance (IR) and left ventricular hypertrophy ( LVH ) in patients with early chronic kidney disease ( CKD ). Methods Homeostatic model method was used for detecting insulin resistance index (Homa-IR) in 108 patients with early CKD and 25 normal healthy cases, and the other clinical data such as Hb, creatinine clearance rate (Ccr) , parathyroid hormone (PTH) , ambulatory blood pressure monitoring ( ABPM ) data, including day average systolic blood pressure (dSBP), day average diastolic blood pressure (dDBP), night average systolic blood pressure ( nSBP) , night average diastolic blood pressure ( nDBP) , 24-hour mean systolic blood pressure (mSBP), 24-hour mean diastolic blood pressure (mDBP), decline in the percentage of diastolic blood pressure at night (nDPD) and decline in the percentage of systolic blood pressure at night (nDPS) were also measured. Echocardiography was used for measuring LVH relevant data, and left ventricular mass index (LVMI) was calculated. Then, the relationship between LVH and IR and other clinical data were analyzed retrospectively. Results IR existed in early CKD patients. With the decline of Ccr, both the value of Homa-IR and the incidence of IR increased significantly (both P < 0. 05). LVH existed in early CKD patients and with the decline of Ccr, both LVMI value and the incidence of LVH increased significantly (both P <0. 01). Compared with the non-IR group, the IR group had higher LVMI value (P<0. 05) and higher incidence of LVH (P<0. 01). Compared with the non-LVH group, the LVH group had higher levels of Fins, 2hPG, Homa-IR (all P <0. 05), and higher incidence of IR (P <0. 01). The LVH group had significant lower levels of Ccr, Hb and nDPD (all P <0. 05) , higher levels of dSBP, dDBP, nSBP, nDBP, mSBP, mDBP and PTH (all P<0.05) than the non-LVH group. LVMI had significant positive correlations with 2hPG, Fins, Homa-IR, dSBP, nSBP, mSBP and PTH (r = 0.255, 0.373, 0.376,0.222,0.199,0.225,0.221,0.246, respectively; all P<0.05), but significant negative correlations with Hb and Ccr (r = -0.588,-0.313, respectively; both P<0.01). Multi-factor regression analysis showed that Hb, Homa-IR, and Ccr entered the regression equation (y = 167. 106 - 0. 755x_1 + 0. 250x_2 +0.322x_3, y = LVMI; 167. 106 = constant, t = 12. 138, P =0.000; x_1 =Hb, t= -6.800, P = 0. 000; x_2 = Homa-IR, t = 3. 229, P = 0. 002; x_3 = Ccr, t = 2. 898, P = 0. 005). Conclusion IR existed in early CKD patients and become more severe with the decline of renal function. IR had a significant correlation with LVH, and it may be an important risk factor for the development of LVH. Besides, both anemia and decline of renal function are also associated with LVH.

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The establishment of an animal model of gut-brain interaction in irritable bowel syndrome for the evaluation of visceral sensation, motility and psychological behavior

Hong Lü ; Jiaming QIAN ; Guangliang JIN ; Dongfeng ZHOU ; Yucun SHEN

Chinese Journal of Internal Medicine.2009;48(12):1035-1039. doi:10.3760/cma.j.issn.0578-1426.2009.12.015

Objective To develop a gut-brain interaction animal model of IBS which combines multiple factors including behavior, visceral sensation and motility. Methods Setting up a multifactor interactional animal model (chronic acute combining stress model, CACS) based on a chronic unpredictable mild stress model of depression (CUMS) while combined with wrap restraint stress (WRS) , changes of some indexes were recorded including motility (granules of defecating, time of defecating), visceral sensitivity ( spontaneous contraction of abdominal striated muscles ) and behavior/mind ( sucrose consumption, body weight). G protein subunits were measured by Western blot in both hippocampus and prefrontal cortex simultaneously. Results ( 1 ) Compared with the state before stress given, defecating granules increased, defecating time of glassie from rectum shorten, number of abdominal contraction increased, and sucrose consumption decreased in CACS, however, neither significant change was found on defecating behavior in CUMS nor on sucrose consumption in WRS; (2) Compared with the control group, some G protein submits expression decreased in both CACS and CUMS( P < 0. 05 ) , while no significant changes of any G protein subunits were found in WRS. Conclusion The CACS animal model was a new, brain-gut interaction model, which can mimic part of human symptoms of IBS very well.

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The clinical features and risk factors for invasive fungal infection in multiple myeloma

Beihui HUANG ; Juan LI ; Junru LIU ; Jingli GU

Chinese Journal of Internal Medicine.2009;48(12):1026-1030. doi:10.3760/cma.j.issn.0578-1426.2009.12.013

Objective To study the clinical features and risk factors of invasive fungal infection (IFI) in multiple myeloma ( MM) . Methods Three hundred and fifty-seven cases of MM were retrospectively analyzed for IFI, clinical features, complicating diseases, treatment of fungus and side effect of anti-fungal drugs. Results Forty-four cases ( 12. 3% ) of IFI were diagnosed. Three of them were diagnosed definitely, 8 clinically and 33 probably. Ten cases incurred IFI in (he induction therapy, 4 in platform, 27 in progress and 3 in the treatment with autologous stem cell transplantation. The lung was the commonest site of infection ( 50. 0% ) . The total effective rates of amphotericin B liposome, voriconazole, itraconazole, caspofungin and fluconazol were 83. 3% , 75. 0% , 78. 9% , 75. 0% and 57. 1% respectively (P= 0.493). In a multivariate analysis, independent factors significantly associated with IFI were diabetes (P=0.035, OR 2. 527, 95%CI 1.005-6.052), dialysis (P=0. 022,OR 2. 768, 95%CI 1. 161-6. 600), persistent agranulocytosis (P = 0.019, OR 3.215, 95% CI 1.200-7.407), broad-spectrum antibiotic therapy (P = 0.009,OR 3. 350,95% CI 1.353-8.295) and fludarabine treatment( P = 0. 001,0R 4. 669, 95% CI 1.813-12.023). Conclusions Patients with MM are in high risk of IFI. The lung is the commonest site of infection. The therapeutic effect was similar with itraconazole, voriconazole, caspofungin and amphotericin B liposome in MM patients with complicating IFI. The risk factors for IFI in MM were diabetes, dialysis, persistent agranulocytosis and the use of broad-spectrum antibiotics and fludarabine.

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A clinical analysis of HLA-identical hematopoietic stem cell transplantation for severe aplastic anemia

Yuhong CHEN ; Lanping XU ; Huan CHEN ; Daihong LIU ; Kaiyan LIU ; Xiaojun HUANG

Chinese Journal of Internal Medicine.2009;48(12):1031-1034. doi:10.3760/cma.j.issn.0578-1426.2009.12.014

Objective To study the outcome of HLA-identical hematopoietic stem cell transplantation ( HSCT) for severe aplastic anemia (SAA). Methods Twenty patients diagnosed with SAA received allogeneic HSCT from HLA-identical donors ( 17 from siblings and 3 from unrelated donors) between January 2000 and November 2008. Conditioning regimen consisted of cyclophosphamide ( Cy) and anti-thymocyte immunoglobulin (ATG). The patients were administrated with G-CSF-primed bone marrow (G-BM) and mobilized peripheral blood (G-PB) as grafts from the sibling donors or only G-PB from the unrelated donors. Results The median infused number of mononuclear cells and CD_(34)~+ cells were 7. 89 (4-14.21) × 10~8/kg and 2.60 (0.81-4.45) × 10~6/kg. All the patients got engraftment with 100% donor chimerism. The median time of neutrophil and platelet engraftment were 14 ( 11-20) d and 12 (8-108 )d respectively. The cumulative incidence rate of acute GVHD at 100 d was 16% (grade I : 3 cases,grade II :3 cases). Chronic GVHD occurred in 7 of the 19 evaluable cases (4 limited, 3 extensive). Till February 28, 2009, with a median follow-up of 18 months, 17 patients were alive and the overall survival rate was 82. 5%. Conclusion The study confirms that using G-PB with or without G-BM as graft after Cy + ATG conditioning results in excellent outcome of HLA-identical HSCT in patients with SAA.

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