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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">62403</article-id><article-id pub-id-type="doi">10.17816/kazmj62403</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The main causes of death in surgical patients over 50 years of age</article-title><trans-title-group xml:lang="ru"><trans-title>Основные причины смертельных исходов у хирургических больных старше 50 лет</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Izmailov</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Измайлов</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Candidate of Medical Sciences, Department of General Surgery</p></bio><bio xml:lang="ru"><p>Кандидат медицинских наук, кафедра общей хирургии</p></bio><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan Order of the Red Banner of Labor Medical Institute S. V. Kurashov</institution></aff><aff><institution xml:lang="ru">Казанский ордена Трудового Красного Знамени медицинский институт им. С. В. Курашова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="1978-07-15" publication-format="electronic"><day>15</day><month>07</month><year>1978</year></pub-date><volume>59</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>46</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2021-03-01"><day>01</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-03-01"><day>01</day><month>03</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 1978, Izmailov G.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 1978, Измайлов Г.А.</copyright-statement><copyright-year>1978</copyright-year><copyright-holder xml:lang="en">Izmailov G.A.</copyright-holder><copyright-holder xml:lang="ru">Измайлов Г.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/62403">https://kazanmedjournal.ru/kazanmedj/article/view/62403</self-uri><abstract xml:lang="en"><p>The analysis of case histories of 745 deceased patients suffering from various surgical diseases (age - from 50 to 94 years) was carried out. 561 (75.3%) people were operated on. Among surgical interventions, the first place in terms of frequency was occupied by exploratory laparotomies (10.9%), the second - by appendectomy (9.89%). Postoperative mortality was 8.76 ± 0.85%.</p></abstract><trans-abstract xml:lang="ru"><p>Проведен анализ историй болезни 745 умерших больных, страдавших различными хирургическими заболеваниями (возраст — от 50 до 94 лет). Оперирован 561 (75,3%) человек. Среди хирургических вмешательств первое место по частоте занимали эксплоративные лапаротомии (10,9%), второе—аппендэктомии (9,89%). Послеоперационная летальность составила 8,76±0,85%.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Kazan Medical archive</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Казанский медицинский архив</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Бейлин П. С. Клин. хир., 1968, 1</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Иванченко А. А. 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