63 results on '"P. Le Toumelin"'
Search Results
52. An automated method for analyzing adherence to therapeutic guidelines: application in diabetes.
- Author
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Toussi M, Ebrahiminia V, Le Toumelin P, Cohen R, and Venot A
- Subjects
- Combined Modality Therapy, Dose-Response Relationship, Drug, Drug Therapy, Combination, France, Humans, Decision Support Systems, Clinical, Diabetes Mellitus, Type 2 drug therapy, Guideline Adherence statistics & numerical data, Hypoglycemic Agents administration & dosage, Medical Records Systems, Computerized statistics & numerical data
- Abstract
Background: Physicians' adherence to guidelines can be used for measuring prescribing appropriateness. We present a simple approach allowing the automation of this process., Design: The drug therapy is described in terms of treatment type, pharmacotherapeutic classes, international non proprietary names (INN) and doses. A rule-based engine implementing the guideline generates recommendations for each patient record. These are automatically compared with prescriptions of the same patient in three levels of detail., Participants: Ambulatory patients admitted for the follow-up of their type 2 diabetes between June 2003 and September 2004 in a university hospital in France., Results: For 574 patient records included in the study, physicians agreed with the guideline recommendations over the choice of type of treatment in 473 cases (82%). When agreement over pharmacotherapeutic class of drugs was also taken into account, the adherence ratio decreased to 448 cases (78%). Finally, when the dosage of each drug was taken into account, the adherence ratio dropped to 396 cases (69%). Adherence ratios were also dependent on the type of treatment at admission: low for patients on oral tritherapy, and on diet and exercise. The results also highlighted inertia of physicians for beginning drug therapy and the underuse of biguanides., Conclusions: The proposed method provides an automatable way of measuring the appropriateness of treatment choice, which can be used for chronic diseases.
- Published
- 2008
53. Microsatellite instability and sensitivitiy to FOLFOX treatment in metastatic colorectal cancer.
- Author
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des Guetz G, Mariani P, Cucherousset J, Benamoun M, Lagorce C, Sastre X, Le Toumelin P, Uzzan B, Perret GY, Morere JF, Breau JL, Fagard R, and Schischmanoff PO
- Subjects
- Adult, Aged, Aged, 80 and over, Antineoplastic Combined Chemotherapy Protocols administration & dosage, Colorectal Neoplasms genetics, Colorectal Neoplasms pathology, Female, Fluorouracil administration & dosage, Humans, Leucovorin administration & dosage, Male, Middle Aged, Neoplasm Metastasis, Organoplatinum Compounds administration & dosage, Oxaliplatin, Antineoplastic Combined Chemotherapy Protocols therapeutic use, Colorectal Neoplasms drug therapy, Microsatellite Instability
- Abstract
Background: Microsatelite instability (MSI) is the consequence of the inactivation of a mismatch repair gene and is observed in approximately 15% of colon cancer cases. Patients with MSI colon cancer do not benefit from 5-fluorouracil (5-FU)-based chemotherapy. A current treatment of reference for colon cancer is a combination of 5-FU and oxaliplatin (FOLFOX). The aim of this study was to determine the efficiency of the FOLFOX treatment in patients with metastatic MSI colon cancer., Patients and Methods: Tumour specimens were collected from patients with metastatic colon cancer treated with FOLFOX 4 modified or FOLFOX 6; these two regimens are based on 85 mg/m2 and 100 mg/m2 oxaliplatin, respectively. The MSI status was assessed by measuring the length of five monomorphic mononucleotide markers. The FOLFOX regimen was evaluated as a first-line treatment according to WHO criteria., Results: Forty patients (22 men, 18 women), median age 63.5 years (27-83 years) were treated with FOLFOX 4 or 6. Nine patients had tumours exhibiting high MSI (MSI group) and 31 patients had tumours exhibiting microsatellite stability (MSS group). In the MSS group, 11 partial responses (36%) were observed, while there were only two in the MSI group (22%) (no significant difference). The two patients who were responders in the MSI group were treated with FOLFOX 6. The overall survival was not significantly different for MSI and MSS patients., Conclusion: No significant differences in the overall response rate or overall survival between the two groups of patients were observed. However, these results suggest that patients with MSI colon cancer are more sensitive to a higher dose of FOLFOX.
- Published
- 2007
54. Association of androgenetic alopecia and hypertension.
- Author
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Ahouansou S, Le Toumelin P, Crickx B, and Descamps V
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- Adult, Aged, Alopecia epidemiology, Humans, Hypertension epidemiology, Linear Models, Male, Middle Aged, Odds Ratio, Prospective Studies, Risk Factors, Alopecia complications, Hypertension complications
- Abstract
Androgenetic alopecia is considered to be associated with coronary heart disease but the explanation of this association remains unknown. Hypertension is highly prevalent in patients with coronary heart disease. Essential hypertension is linked to hyperaldosteronism and spironolactone, an antihypertensive drug which is a mineralocorticoid receptor antagonist, has been used for a long time in the treatment of androgenic alopecia. We recently observed in a double transgenic mouse model that overexpression of a mineralocorticoid receptor targeted to the skin induced the development of alopecia. We prospectively studied the association of hypertension and androgenetic alopecia in Caucasian men. Two hundred and fifty Caucasian men aged 35-65 years were consecutively recruited by 5 general practitioners (50 per practitioner). Data collected included age, androgenetic alopecia score with a simplified Norwood's score (0-4), blood pressure or history of hypertension, smoking, history of diabetes mellitus or hyperlipidemia, familial history of androgenetic alopecia, and treatment. Chi-square, Fisher exact tests and linear regression model were used for statistical analysis. Hypertension was strongly associated to androgenetic alopecia (p < 0.001). Linear regression tests confirmed that this association was independent of age : odds ratio was 2.195 (95% CI : 1.1-4.3). Familial history of androgenetic alopecia was also strongly associated with androgenetic alopecia : odds ratio was 10.870 (95% CI : 4.3-27.1). Other variables (diabetes mellitus, hyperlipidemia, smoking, treatment) were not associated with androgenetic alopecia. We were limited by a relatively small study sample but in this study androgenetic alopecia was strongly associated with hypertension. Association of androgenetic alopecia and hyperaldosteronism warrants additional studies. The use of specific mineralocorticoid receptor antagonists could be of interest in the treatment of androgenetic alopecia.
- Published
- 2007
- Full Text
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55. Association among individual deprivation, glycemic control, and diabetes complications: the EPICES score.
- Author
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Bihan H, Laurent S, Sass C, Nguyen G, Huot C, Moulin JJ, Guegen R, Le Toumelin P, Le Clésiau H, La Rosa E, Reach G, and Cohen R
- Subjects
- Blood Glucose, Blood Pressure, Chi-Square Distribution, Cross-Sectional Studies, France epidemiology, Glycated Hemoglobin analysis, Hospital Departments, Hospitals, Public, Humans, Length of Stay, Logistic Models, Multivariate Analysis, Odds Ratio, Prevalence, Surveys and Questionnaires, Diabetes Complications epidemiology, Diabetic Nephropathies epidemiology, Diabetic Neuropathies epidemiology, Diabetic Retinopathy epidemiology, Socioeconomic Factors
- Abstract
Objective: Previous studies have related poor glycemic control and/or some diabetes complications to low socioeconomic status. Some aspects of socioeconomic status have not been assessed in these studies. In the present study, we used an individual index of deprivation, the Evaluation de la Précarité et des Inégalités de santé dans les Centres d'Examens de Santé (Evaluation of Precarity and Inequalities in Health Examination Centers [EPICES]) score, to determine the relationship among glycemic control, diabetes complications, and individual conditions of deprivation., Research Design and Methods: We conducted a cross-sectional prevalence study in 135 consecutive diabetic patients (age 59.41 +/- 13.2 years [mean +/- SD]) admitted in the hospitalization unit of a French endocrine department. Individual deprivation was assessed by the EPICES score, calculated from 11 socioeconomic questions. Glycemic control, lipid levels, blood pressure, retinopathy, neuropathy, and nephropathy were assessed., Results: HbA(1c) level was significantly correlated with the EPICES score (r = 0.366, P < 0.001). The more deprived patients were more likely than the less deprived patients to have poor glycemic control (beta = 1.984 [SE 0.477], P < 0.001), neuropathy (odds ratio 2.39 [95% CI 1.05-5.43], P = 0.037), retinopathy (3.66 [1.39-9.64], P = 0.009), and being less often admitted for 1-day hospitalization (0.32 [0.14-0.74], P = 0.008). No significant relationship was observed with either nephropathy or cardiovascular risk factors., Conclusions: Deprivation status is associated with poor metabolic control and more frequent microvascular complications, i.e., retinopathy and neuropathy. The medical and economic burden of deprived patients is high.
- Published
- 2005
- Full Text
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56. Measurement of carbon monoxide in simulated expired breath.
- Author
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Lapostolle F, Gourlain H, Pizagalli MN, Le Toumelin P, Adnet F, Galliot M, Lapandry C, and Borron SW
- Subjects
- Equipment Design, Models, Biological, Reference Values, Sensitivity and Specificity, Spectrophotometry, Infrared, Breath Tests instrumentation, Breath Tests methods, Carbon Monoxide analysis
- Abstract
Background: Environmental carbon dioxide (CO) detectors used as an early warning method have been adapted to measure CO concentration in expired breath. This technique has been validated in smokers with relatively low CO concentrations, but its applicability to poisoning has not been demonstrated., Objective: To compare the reliability of toxicologically significant CO measurements performed using a portable CO detector with those obtained using infrared spectrometry, the standard method for blood CO concentration determination., Design: Experimental study with a CO detector and infrared spectrometer. A balloon simulated respiratory movements and an expired breath. Balloon gas mixtures contained CO, in one of 21 different concentrations from 100 to 600 parts per million (ppm) in air. CO concentration was measured directly with the portable CO detector and two gas samples obtained at the beginning and end of the simulated expired breath were diluted, with validation, for spectrometric measures., Main Outcome Measures: Portable CO detector concentrations were compared with the mean value of the reference method. Simple linear regression was performed using ANOVA to evaluate the parallel between the model with the reference method., Results: Portable CO detector concentration measurements were perfectly linear (R2=0.989, P<10(-3)) over a concentration range of 46-645 ppm. The difference from the reference plot was significant (P<0.01)., Conclusion: Given the linearity of the measurements, the underestimation by the portable CO detector at higher concentrations can be corrected mathematically. A portable CO detector should measure CO in expired breath efficiently and reliably.
- Published
- 2005
- Full Text
- View/download PDF
57. Basic cardiac life support providers checking the carotid pulse: performance, degree of conviction, and influencing factors.
- Author
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Lapostolle F, Le Toumelin P, Agostinucci JM, Catineau J, and Adnet F
- Subjects
- Adult, American Heart Association, Attitude of Health Personnel, Clinical Competence, Female, Humans, Male, Manikins, United States, Carotid Arteries, Emergency Treatment methods, Life Support Care methods, Pulse methods, Task Performance and Analysis
- Abstract
Unlabelled: The American Heart Association recently abolished the carotid pulse check during cardiopulmonary resuscitation for lay rescuers, but not for health care providers., Objectives: The aim of the study was to evaluate health care providers' performance, degree of conviction, and influencing factors in checking the carotid pulse., Methods: Sixty-four health care providers were asked to check the carotid pulse for 10 or 30 seconds on a computerized mannequin simulating three levels of pulse strength (normal, weak, and absent). Health care providers were asked whether they felt a pulse and how certain were they that they felt a pulse. Performance was evaluated, as well as degree of conviction about the answer, using a visual analog scale. Data were compared by using a general linear model procedure., Results: In the pulseless situations, the answers were correct in 58% and 50% when checking the pulse for 10 and 30 seconds, respectively. In the situation with a weak pulse, the answer was correct in 83% when checking the pulse for 10 seconds. In situations with a normal pulse, the answers were correct in 92%, 84%, and 84%, respectively, when checking the pulse for 10 (twice) and 30 seconds. The exactitude of the answer was correlated with the pulse strength (p < 0.05). The degree of conviction about the answer was correlated with the exactitude of the answer (p < 0.01) and the pulse strength (p < 0.0001)., Conclusions: These results question the routine use of the carotid pulse check during cardiopulmonary resuscitation, including for health care providers.
- Published
- 2004
- Full Text
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58. Assessing residual neuromuscular blockade using acceleromyography can be deceptive in postoperative awake patients.
- Author
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Baillard C, Bourdiau S, Le Toumelin P, Ait Kaci F, Riou B, Cupa M, and Samama CM
- Subjects
- Adult, Aged, Anesthesia Recovery Period, Electric Stimulation, Female, Humans, Male, Middle Aged, Neuromuscular Nondepolarizing Agents, Postoperative Period, Reproducibility of Results, Ulnar Nerve physiology, Wakefulness, Myography methods, Neuromuscular Blockade
- Abstract
Unlabelled: Postoperative awake patients may have significant residual neuromuscular block. In awake patients, the results of accelerometry are affected by extra movements to which the thumb may be subject. In this study, we evaluated the repeatability of train-of-four (TOF) ratio using acceleromyography in 253 patients recovering from anesthesia. Immediately after arrival in the postanesthesia care unit, the ulnar nerve was stimulated with TOF stimulation. The evoked response at the thumb was measured by the TOF-Watch apparatus. The current intensity was 30 mA. Two TOF stimulations were applied and recorded at 30-s intervals. A Bland-Altman test was used. The Kappa (kappa) test for clinical agreement between the two measurements was also calculated according to the presence or absence of a residual neuromuscular blockade, defined as a TOF ratio <0.9. According to the presence of a residual neuromuscular blockade, the paired TOF ratios were discordant in 61 patients (24%; 95% confidence interval, 21%-27%). The kappa test indicated a moderate agreement (k = 0.47). We demonstrated that accelerometry as used in this study is not always accurate. Two isolated acceleromyograph TOF ratios are not an accurate representation of the neuromuscular status of the patient recovering from anesthesia., Implications: Clinicians should be aware that acceleromyography as used in this study does not always provide precise train-of-four ratio measurements. Two isolated acceleromyograph train-of-four ratios are not an accurate representation of the neuromuscular status of the patient recovering from anesthesia.
- Published
- 2004
- Full Text
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59. European register of babies born to mothers with antiphospholipid syndrome.
- Author
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Boffa MC, Aurousseau MH, Lachassinne E, Dauphin H, Fain O, Le Toumelin P, Uzan M, Piette JC, Derenne S, Boinot C, Avcin T, Motta M, Faden D, and Tincani A
- Subjects
- Autoantibodies analysis, Europe, Female, Follow-Up Studies, Humans, Infant, Newborn, Multicenter Studies as Topic, Pregnancy, Pregnancy Outcome, Antiphospholipid Syndrome complications, Infant, Newborn, Diseases etiology, Pregnancy Complications, Registries
- Abstract
This prospective multicentric register was initiated by the European Forum of Antiphospholipid Antibodies (APL) in 2003 after approval by local ethic committees. This register allows the investigation of infants after written informed parental consent. It collects mothers' clinical pattern of antiphospholipid syndrome (APS), course and outcome of pregnancy, treatment and immunological status. For the babies, clinical and immunological examinations are performed at birth; neurodevelopmental conditions followed up to five years. A re-evaluation of lupus anticoagulant (LA), anticardiolipin (ACL) or other antibodies will be done if they are positive at birth to follow their kinetics. A descriptive and a case control study of babies with versus without APL at birth will be possible after the inclusion of 300 cases.
- Published
- 2004
- Full Text
- View/download PDF
60. Aminoglycoside and glycopeptide renal toxicity in intensive care patients studied by proton magnetic resonance spectroscopy of urine.
- Author
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Le Moyec L, Racine S, Le Toumelin P, Adnet F, Larue V, Cohen Y, Leroux Y, Cupa M, and Hantz E
- Subjects
- Adult, Aged, Aged, 80 and over, Aminoglycosides, Anti-Bacterial Agents metabolism, Female, Humans, Intensive Care Units, Kidney Diseases urine, Kidney Function Tests, Linear Models, Magnetic Resonance Spectroscopy, Male, Middle Aged, Prospective Studies, Anti-Bacterial Agents adverse effects, Glycopeptides, Kidney Diseases chemically induced
- Abstract
Objective: Aminoglycoside and glycopeptide antibiotics are responsible for renal toxicity. In most cases, the nephrotoxicity is limited to a reversible tubular injury, but an acute and sustained renal failure may occur. The aim of our study was to explore the renal function of patients given these antimicrobial agents with proton magnetic resonance spectroscopy of urine. This technique is able to detect, in urine samples, a wide range of metabolites reflecting renal tubular function. The variables assessed by magnetic resonance spectroscopy were compared with the routine markers of renal function: creatinine, urea, and 24-hr urine volume., Design: Prospective clinical study., Setting: Intensive care unit., Patients: All patients in an intensive care unit receiving an aminoglycoside and/or a glycopeptide were included in the study if they presented with signs of renal dysfunction. All experiments were performed on urine samples collected for the routine follow-up of these patients., Intervention: Proton spectra were acquired with water suppression, and the peak intensity of each metabolite was reported in relationship to the intensity of the creatinine peak., Measurements and Main Results: The ratio values obtained by magnetic resonance spectroscopy were compared with the values of creatininemia and blood urea obtained routinely by biochemistry and with the value of the 24-hr urine volume by logistic regression and general linear models. This statistical analysis showed that the ratio of dimethylamine to creatinine was highly correlated with creatininemia., Conclusions: Dimethylamine is an osmolyte released from the medullar region of the kidney. Thus, our study demonstrated that nephrotoxicity from aminoglycosides and glycopeptides is not limited to proximal tubular toxicity but also may involve the medullar region (Henle loop and collecting duct) of the nephron.
- Published
- 2002
- Full Text
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61. Aqueous flare induced by heparin-surface-modified poly(methyl methacrylate) and acrylic lenses implanted through the same-size incision in patients with diabetes.
- Author
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Gatinel D, Lebrun T, Le Toumelin P, and Chaine G
- Subjects
- Aged, Blood-Aqueous Barrier, Capsulorhexis, Cataract complications, Female, Humans, Lens Implantation, Intraocular, Male, Phacoemulsification, Prospective Studies, Visual Acuity, Acrylic Resins adverse effects, Coated Materials, Biocompatible adverse effects, Diabetes Complications, Heparin, Lenses, Intraocular adverse effects, Polymethyl Methacrylate adverse effects, Uveitis, Anterior etiology
- Abstract
Purpose: To compare the degree of blood-aqueous barrier (BAB) breakdown in eyes of diabetic patients after phacoemulsification and implantation of heparin-surface-modified poly(methyl methacrylate) (PMMA) or soft hydrophobic acrylic intraocular lenses (IOLs) performed using the same technique with the same incision size to determine the influence of the IOLs on postoperative inflammation independent of other surgical factors., Setting: Department of Ophthalmology, University of Paris XIII, Bobigny, France., Methods: In a prospective study, 44 eyes of 31 diabetic patients with or without mild to moderate diabetic retinopathy were randomly assigned to receive an HSM PMMA IOL (22 eyes) or a soft hydrophobic acrylic IOL (22 eyes) after standardized phacoemulsification surgery. Both types of IOLs had a 6.0 mm optic, were inserted unfolded, and were placed in the bag through a calibrated 6.0 mm superior scleral incision. Anterior chamber flare was measured preoperatively and 1, 7, 30, and 240 days postoperatively using the Kowa 500 laser flare meter., Results: The mean flare value was higher on the first postoperative day in both groups. There were no statistically significant between-group differences in flare scores or clinical parameters preoperatively or at any postoperative visit., Conclusions: No significant difference was observed in inflammation between eyes having HSM PMMA IOL implantation or those having soft hydrophobic acrylic IOL implantation through the same-size incision. This indicates that hydrophobic acrylic and HSM PMMA materials induce the same degree of BAB breakdown after phacoemulsification in eyes of diabetic patients.
- Published
- 2001
- Full Text
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62. In-hospital and long-term prognosis of elderly patients requiring endotracheal intubation for life-threatening presentation of cardiogenic pulmonary edema.
- Author
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Adnet F, Le Toumelin P, Leberre A, Minadeo J, Lapostolle F, Plaisance P, and Cupa M
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- Aged, Aged, 80 and over, Female, Humans, Intensive Care Units, Length of Stay, Male, Prognosis, Prospective Studies, Pulmonary Edema mortality, Respiration, Artificial, Retrospective Studies, Treatment Outcome, Critical Care, Geriatrics, Intubation, Intratracheal, Pulmonary Edema therapy
- Abstract
Objective: We studied the in-hospital course, long-term prognosis, and functional status of elderly patients with life-threatening cardiogenic pulmonary edema requiring mechanical ventilation., Design: Semiprospective evaluation., Setting: Twelve intensive care units and one emergency prehospital medical department in university hospitals., Patients: Patients, aged >75 yrs, with life-threatening cardiogenic pulmonary edema requiring invasive airway management during the prehospital phase between January 1994 and January 1999 were included., Intervention: None., Measurements and Main Results: A total of 79 patients were studied, of which 55 were included in the prospective phase and 24 during the retrospective phase. The age range was 75-99 yrs, with a mean age of 82.4 +/- 5.9. The male/female ratio was 35:44. The in-hospital mortality was 26.6%. The mean follow-up time for all 58 survivors was 23 months (range, 2-56 months). Among those discharged, survival at 1 yr was 69%. At 3 months after hospital discharge, 49 (87%) patients lived at home, 46 (82%) were able to bathe themselves, 35 (62%) could walk at least one block, and 34 (61%) could climb one flight of stairs., Conclusions: Mortality after severe pulmonary edema requiring endotracheal intubation in a very elderly cohort has a predictably high mortality, although not related directly to the degree of presenting respiratory compromise. However, approximately 50% of the overall cohort returned to relatively good functional status, despite advanced age and a severely compromised presentation. Aggressive airway management appears, therefore, justified in this select group of patients.
- Published
- 2001
- Full Text
- View/download PDF
63. [Assessment of the management of arterial hypertension in a population of (type 2) diabetic patients undergoing hospitalization. Diabetes and prognostic factors in the control of arterial hypertension].
- Author
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Le Toumelin P, Nguyen G, Laurent S, Franc S, Modigliani E, Krivitzky A, Huet B, and Cohen R
- Subjects
- Age Factors, Antihypertensive Agents administration & dosage, Blood Glucose analysis, Blood Pressure drug effects, Body Mass Index, Cohort Studies, Coronary Disease complications, Diabetic Angiopathies complications, Drug Combinations, Female, Follow-Up Studies, Glycated Hemoglobin analysis, Hospitalization, Humans, Logistic Models, Male, Middle Aged, Multivariate Analysis, Prognosis, Prospective Studies, Time Factors, Treatment Outcome, Antihypertensive Agents therapeutic use, Diabetes Mellitus, Type 2 complications, Hypertension drug therapy
- Abstract
The control of hypertension in diabetic hypertensive patients prevents micro and macroangiopathy complications. Our prospective study was designed to evaluate the level of treatment of hypertension in type II diabetic patients at the time of referral to our endocrinology unit and after a mean follow-up of 9.2 months. Five hundred and sixty four patients (sex ratio: 1.15, mean age of 56 +/- 13, mean BMI of 28 +/- 15, mean duration of diabetes of 11.3 +/- 9.9) were referred to our unit. Among these, 42% had an antihypertensive drug (58% under monotherapy, 42% under combinations) and 92% had a documented history of CHD. Glycemic and blood pressure controls were stable during follow-up. HbA1c remained unchanged (8.95% at admission, 8.8% at 9 months) BP decreased from 143/84 +/- 26/13 mmHg to 142/82 +/- 23/13 mmHg. Fifty six percent reached a BP goal of 140/90 mmHg whereas 42% achieved a BP goal of 130/85 mmHg at 9 months compared to respectively 56% and 39% at admission. A multivariate logistic regression analysis showed that initial value of SBP (p < 0.0001), age (p < 0.0001), BMI (p = 0.006), HbA1c (p = 0.018) were independent factors of non control of hypertension. In conclusion, follow-up of hypertension diabetic patients would be focussed on identified and modifiable factors.
- Published
- 2000
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