Статья
Влияние эмпаглифлозина на переносимость нагрузки и диастолическую функцию левого желудочка у пациентов с сердечной недостаточностью с сохранённой фракцией выброса и сахарным диабетом типа 2: проспективное одноцентровое пилотное исследование
Цель. Оценить влияние ингибитора натрийзависимого переносчика глюкозы 2 типа эмпаглифлозина на переносимость нагрузки и диастолическую функцию левого желудочка у больных с сердечной недостаточностью с сохранённой фракцией выброса (СНсФВ) и сахарным диабетом типа 2 (СД2).Материал и методы. В настоящее проспективное одноцентровое открытое исследование было включено 60 пациентов с СНсФВ и СД2, которые были распределены в группы приёма эмпаглифлозина 10 мг/сут. или ранее принимаемой гипогликемической терапии (контрольная группа); период наблюдения составил 24 нед. Всем пациентам исходно и в конце исследования выполнили 6-минутный тест ходьбы и эхокардиографию в покое и при нагрузке.Результаты. Через 24 нед. в группе эмпаглифлозина отмечалось увеличение дистанции 6-минутного теста ходьбы на 20 м (95% доверительный интервал (ДИ) от 7 до 33 м), уменьшение митрального соотношения E/e’ на 1,8 (95% ДИ от -2,4 до -1,2) и максимального объёма левого предсердия на 2,6 (95% ДИ от -4,4 до -0,8) мл/м2 и увеличение диастолического резерва (степени прироста митральной скорости e’ при нагрузке с 2,2 (95% ДИ от 1,7 до 2,7) до 3,4 (95% ДИ от 2,4 до 4,2) см/с; во всех случаях Р<0,01). В контрольной группе значимые изменения отсутствовали.Заключение. У пациентов с СНсФВ и СД2 эмпаглифлозин улучшает переносимость физической нагрузки и диастолическую функцию левого желудочка. Для подтверждения этих данных требуется проведение крупных плацебо-контролируемых рандомизированных испытаний.
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