Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0151744 (myocardial ischemia)
 31,282 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The studied material comprised 280 patients hospitalized for the first time for reversible ischaemic neurological deficit. The clinical condition of the patients, the incidence of hypertension (48.3%), ischaemic heart disease (36.4%) and diabetes (4.3%) was assessed and the indices were calculated of first admissions to hospital and the individual groups of diseases. The annual incidence of the RIND was 22.7/100 thousand, 3.6/100 thousand for TIA in the population of Warsaw City District.
Neurol Neurochir Pol
PMID:[Certain clinical and epidemiological problems of reversible ischemic neurological deficit]. 914 70

The role of platelets and fibrinolysis in ischemic heart disease are discussed. The interaction lipoproteins with platelet factors may be important in therapy of ischemic heart disease.
Pol Merkur Lekarski 1996 Aug
PMID:[Blood platelets and fibrinolysis in ischemic heart disease]. 915 14

In 82 patients with unstable ischemic heart disease (IHD) before and after revascularisation (percutaneous transluminal coronary angioplasty-PTCA-in 11 patients and coronary artery bypass graft-CABG-in 71 patients) silent ischemia incidence was observed. In these patients before and after operation election fraction (EF) and wall motion score index (IK) were compared echocardiographically as well as physical ability according to Bruce protocol in treadmill exercise test. Data (EF and IK and exercise test) before and after operation didn't change significantly. Silent ischemia was directed before operation in 17 patients (21.8%) and in 15 patients (19.4%) one month after those procedures.
Pol Merkur Lekarski 1996 Aug
PMID:[Silent myocardial ischemia before and after revascularization]. 915 22

The aim of this study was assess the correlation between duration of paroxysmal atrial fibrillation (PAF) during ischemic heart disease (IHD) and atrial signal-averaged electrocardiogram (ALP). The study population consisted of 75 patients with PAF during IHD whose were divided according to duration of PAF into three groups; gr. I- < 1 year, gr. II-1-5 years, gr. III- > 5 years. The control group (gr. IV) composed of 50 healthy. Recording of ALP were carried out by HIPEC-200 HA. We calculated time domain parameters of ALP; root mean square voltage of the signals in the last 10, 20 and 30 ms of the filtered P-wave and filtered P-wave duration. During frequency analysis of ALP we calculated frequency parameters in range from 40 to 400 Hz in linear scale; area ratio 20-50/0-20 Hz and marked the highest peak amplitude of signals and in logarithmic scale; defined energy spectra of frequency component > -60 dB and value of frequency component 40 Hz. Our results suggest that: 1. The values of root mean square voltage of the signals in the last 10 ms of the filtered P-wave have been decreasing according to passage of duration PAF. 2. Patients with longer anamnesis of PAF have had longer duration of filtered P-wave. 3. Proposed parameters of frequency analysis of ALP in both scales (linear and logarithmic) seemed useless in differential diagnosis of patients with PAF during IHD and healthy.
Pol Merkur Lekarski 1996 Aug
PMID:[The effect of paroxysmal atrial fibrillation during ischemic heart disease on parameters of atrial signal-averaged electrocardiography]. 915 24

The aim of this study was to assess the correlation between left atrial size and atrial signal-averaged electrocardiogram (ALP) in time-domain and frequency analysis in patients with paroxysmal atrial fibrillation (PAF) during ischaemic heart disease (IHD). The study population consisted of 75 patients with PAF during IHD who were divided into two groups; gr. I (left atrial dimension 40 mm) and gr. II (left atrial dimension 40 mm). The control group (gr. III) consisted of 50 healthy subjects. Recording of ALP was carried out by HIPEC-200HA. The high gain ECG was recorded during basic rhythm with orthogonal Frank leads X,Y,Z. These signals were amplified, averaged and filters. The filtered signals were combined into a vector magnitude and time-domain and frequency analysis was done. These findings suggest that the size of the left atrium does not change time-domain and frequency parameters of ALP in patients with PAF and IHD. We noticed significant influence of IHD on these parameters. On the other hand frequency analysis of ALP did not show any uselessness in diagnostic identification of patients with PAF during IHD and healthy subjects.
Pol Merkur Lekarski 1996 Aug
PMID:[Correlations between left atrial size and parameters of averaged atrial signal in patients with paroxysmal atrial fibrillation in the course of ischemic heart diseases]. 915 25

The aim of the study was to evaluate the frequency of resuming work among IHD patients after stationary posthospital rehabilitation. 30 patients after MI and revascularisation operations were taken into consideration: A-13 patients who resumed work and B-17 who did not do so. 30 healthy, working men (KZ) were used as a control. ECHO and exercise tests were carried out before and after rehabilitation. The following parameters were analysed: EF%, and HR, SBP, DBP and Dp both rest and exercise, Lt (wat), VO2 and MET, EF% was found to be lower in A and B groups compared to KZ. In both study groups physical efficiency before treatment was low, but after rehabilitation there was a significant increase in efficiency parameters. Consequently, the A group were classified in medium levels, whereas group B remained in low efficiency class. VO2, MET and Lt after rehabilitation in A group were significantly higher compared to those in the B group. 43% of all patients tested resumed work. People with higher education prevailed in the group who resumed work.
Pol Merkur Lekarski 1996 Aug
PMID:[The frequency of resuming work among patients with ischemic heart disease after the second phase of rehabilitation]. 915 26

The aim of this study was to evaluate of oral sotalol hydrochloride effects on atrial signal-averaged ECG (ASAECG) during time- and frequency-domain analysis in patients with paroxysmal atrial fibrillation (PAF) during ischemic heart disease (IHD). The study population of 27 was composed of 16 female and 11 male, mean age 56.1 +/- 8.4. The dose of oral sotalol was 160 mg/day for all days. Recording of ASAECG and 24-hours Holter monitoring were made at baseline, after 10 days and after 6 weeks of sotalol therapy. For ASAECG were calculated time-domain parameters: the root mean square voltage of the signals in the last 10, 20, 30 ms of the filtered P-wave (RMS 10, 20, 30) and total time duration of filtered P-wave (PWD) and time duration of P-wave for Frank leads X, Y, Z (XP, YP, ZP). During frequency-domain analysis of the terminal part of P-wave we calculated the following parameters in range from 40 Hz to 400 Hz: energy spectrum > -60 dB (A) and decibel drop at 40 Hz (Dd) in logarithmic scale and area ratio 20-50/0-20 Hz (Ar), magnitude ratio (MR1-7) in linear scale for a vector magnitude. Supraventriculat arrhythmias were estimated quantitatively and qualitatively during Holter monitoring. The following parameters were estimated in a case of PAF recording: time of manifestation, duration, number of PAF episodes per day, mean heart rate during PAF and subjective symptoms. Moreover, comparable analysis of the following parameters: dimension of left atrial, age, gender, time duration of IHD and PAF and wall motion disturbances-hypokinesis and also left ventricular ejection fraction, mitral regurgitation was done between patients with effective and no effective of antiarrhythmic therapy. Our observation have indicated that oral sotalol therapy are responsible for statistically significant decrease of total time duration of filtered P-wave (PWD) and time duration of P-wave for Frank leads X, Y, Z (XP, YP, ZP) and increase area ratio 20-50/0-20 Hz in patients with PAF during IHD. Moreover, comparable analysis of above-mentioned parameters have not showed statistically significant differences between examined patients with effective and lack of effective sotalol therapy.
Pol Merkur Lekarski 1996 Nov
PMID:[The effect of sotalol hydrochloride therapy on atrial signal-averaged ECG in patients with paroxysmal atrial fibrillation]. 927 1

To gain current data about epidemiology of diabetic retinopathy in a population of type 2 diabetics a long-term prospective study was started. The study included 1334 patients with type 2 diabetes mellitus registered in Warsaw regional Diabetes Center. The prevalence of any form of diabetic retinopathy in this group was 31.4% and proliferative retinopathy-1.3%. It was found that the patients with retinopathy had diabetes mellitus of longer duration, higher fasting and postprandial levels of glycemia and higher daily proteinuria in comparison with diabetics without retinopathy. Apart from that, a frequency of ischemic heart disease and lower extremity ischemic disease was higher in diabetics with retinopathy. 109 new cases of retinopathy were diagnosed during 3-year follow-up. The study allowed us to determine the current epidemiological parameters concerning diabetic retinopathy in type 2 diabetics and a set of parameters characterizing people at highest risk of a development of retinopathy.
Pol Merkur Lekarski 1997 Jan
PMID:[Prospective studies of diabetic retinopathy in a cohort of patients with type II diabetes mellitus]. 929 90

The aim of this study was to assess the influence of amiodarone hydrochloride on time- and frequency-domain parameters of signal-averaged electrocardiogram (SAECG) in patients with ischaemic heart disease (IHD). The study population consisted of 33 patients (18 female and 15 male), mean age 59.2 +/- 7.7. Amiodarone hydrochloride was orally used in the initial dose 600 mg/day for 10 days, and subsequently 200 mg/days for 6 weeks. Recording of SAECG and ambulatory Holter monitoring were made at baseline and in 10 day and after 6 weeks of therapy. The following time-domain parameters were analyzed: the root mean square voltage of the last 40 and 50 ms of the filtered QRS (RMS40 i RMS50), total time duration of filtered QRS (t-QRS) and duration of low amplitude signals < 40 microV in the terminal part of QRS (LPD). Late potentials (LP) were recognized when at least two from three criteria were fulfilled: 1) RMS40 < 20 microV, 2) t-QRS > 114 ms, 3) LPD > 38 ms. Frequency analysis of SAECG allowed to calculate the following parameters in logarithmic scale: energy spectrum > -60 dB (A) and decibel drop at 40Hz (Dd) and also in linear scale: area ratio 20-50/0-20Hz (Ar) and magnitude ratio (MR1-7). The values of RMS40 and RMS50 did not significantly change during amiodarone therapy. The obtained values of t-QRS were significantly longer after antiarrhythmic therapy, respectively 97.8 +/- 9.1 ms at the baseline, 102.1 +/- 10 ms after 10 days (p < 0.05), and 104.1 +/- 10.4 ms after 6 weeks (p < 0.005). Moreover the values of LPD did not significantly change after amiodarone treatment. At the baseline the presence of LP were observed in 3 (9%), after 10 days were recorded in 8 (24%), and after 6 weeks in 7 (22%) cases. Only in one case the LP were observed during the whole antiarrhythmic therapy. Moreover, amiodarone hydrochloride did not statistically significant change frequency-domain parameters in logarithmic scale and in linear scale.
Pol Merkur Lekarski 1997 Jun
PMID:[The effect of long term use of amiodarone hydrochloride on time and frequency domain parameters of signal averaged electrocardiogram in patients with ischemia heart disease]. 942 29

Ventricular late potentials (LP) seem to reflect mixed, anatomic and electrophysiologic substrate for ventricular reentrant tachyarrhythmias. Ischemic events can perform areas of delay and dispersion of conduction and refractoriness in patients with ischaemic heart disease (CAD), especially after myocardial infarction (MI). These electrophysiological disturbances can induce the reentry phenomenon. LP are present in 18-53% patients with CAD, but in selected groups of patients after MI with ventricular tachycardia or/and cardiac arrest in the past, LP are registered in 63-92% objects. The influence of acute ischemia provoked by the effort and pharmacological stress testing isn't significant in groups with CAD without MI. Occurrence of LP increase in a small grade only in post-MI patients but differences of time domain parameters of signal-averaged ECG (SAECG) are not statistically significant. There are no correlations between LP incidence during ischemia and left ventricle wall motion disturbances, ejection fraction, localisation of MI, date of MI and number of occluded coronary vessels in the greater part of investigations, but the results are divergent and the matter has to be studied. Time domain SAECG is one of admitted methods of risk stratification of incidence of sustained ventricular tachycardia in patients with CAD, but the parameters of frequency domain SAECG still are not standardized, so its clinical usefulness isn't clear.
Pol Merkur Lekarski 1997 Sep
PMID:[The influence of myocardial ischemia on the electrocardiogram under stress]. 946 14


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