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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">glaucoma</journal-id><journal-title-group><journal-title xml:lang="ru">Национальный журнал Глаукома</journal-title><trans-title-group xml:lang="en"><trans-title>National Journal glaucoma</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-4104</issn><issn pub-type="epub">2311-6862</issn><publisher><publisher-name>Federal State Budgetary Institution of Science “Krasnov Research Institute of Eye Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">glaucoma-72</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности стального спирального экспандера шлеммова канала Кумара 2-го поколения в снижении внутриглазного давления у пациентов с рефрактерной глаукомой</article-title><trans-title-group xml:lang="en"><trans-title>Effectiveness of Kumar’s 2nd generation stainless steel spiral Schlemm’s canal expander in decreasing intraocular pressure in patients with primary open-angle glaucoma refractory to previous penetrating and non-penetrating glaucoma surgeries</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кумар</surname><given-names>В. .</given-names></name><name name-style="western" xml:lang="en"><surname>Kumar</surname><given-names>V. .</given-names></name></name-alternatives><email xlink:type="simple">kumarvinod1955@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фролов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolov</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Божок</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dushina</surname><given-names>G. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Душина</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Bozhok</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Российский университет дружбы народов, МБУЗ «Сходненская городская больница»<country>Россия</country></aff><aff xml:lang="en">Peoples’ Friendship University of Russia, Skhodnya city Municipal Hospital,<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Российский университет дружбы народов<country>Россия</country></aff><aff xml:lang="en">Peoples’ Friendship University of Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Российский университет дружбы народов, МБУЗ «Сходненская городская больница»<country>Россия</country></aff><aff xml:lang="en">Peoples’ Friendship University of Russia,  Skhodnya city Municipal Hospital<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">МБУЗ «Сходненская городская больница»<country>Россия</country></aff><aff xml:lang="en">Skhodnya city Municipal Hospital<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>17</day><month>01</month><year>2017</year></pub-date><volume>14</volume><issue>3</issue><fpage>39</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кумар В..., Фролов М.А., Божок Е.В., Душина Г.Н., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Кумар В..., Фролов М.А., Божок Е.В., Душина Г.Н.</copyright-holder><copyright-holder xml:lang="en">Kumar V..., Frolov M.A., Dushina G.N., Bozhok E.V.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.glaucomajournal.ru/jour/article/view/72">https://www.glaucomajournal.ru/jour/article/view/72</self-uri><abstract><p>ЦЕЛЬ. Оценить эффективность применения стального спирального экспандера шлеммова канала (ЭШК) 2-го поколения в снижении внутриглазного давления (ВГД) у пациентов с рефрактерной глаукомой. МЕТОДЫ. Прооперировано 9 человек (9 глаз) с рефрактерной глаукомой, у которых ВГД не контролировалось на максимальной гипотензивной терапии. Из них у 6 больных ранее была проведена трабекулэктомия, у 2 - глубокая склерэктомия и у 1 - селективная лазеропластика. Всем пациентам имплантировали ЭШК 2-го поколения наружным доступом. ЭШК изготовлен из проволоки нержавеющей стали медицинского качества толщиной 0,04 мм, длиной 2,5-3,0 мм, наружный диаметр - 0,2 мм, внутренний - 0,12 мм, кривизна соответствует кривизне ШК. В 2 случаях была произведена одномоментная комбинированная хирургия по поводу катаракты и глаукомы. Осмотр пациентов проводили ежедневно в стационаре, далее через 1 неделю, 1, 3, 6 и 12 месяцев. Критериями оценки являлись динамика ВГД, необходимость применения гипотензивных капель до и после операции и частота осложнений. Снижение ВГД &gt;20% и 6&lt;ВГД≤18 мм рт.ст. без применения гипотензивной терапии считали полным успехом, с применением гипотензивной терапии - частичным. Критериями неудачи являлись снижение ВГД &lt;20% и ВГД&lt;6 или &gt;18 мм рт.ст., а также необходимость проведения последующей операции. Статистический анализ проводили используя приложение Excel 2007 (Microsoft Office). Результаты считались достоверными при р&lt;0,05. РЕЗУЛЬТАТЫ. До операции среднее ВГД составляло 25,2+5,5 мм рт.ст. Спустя 6 и 12 мес. после операции среднее ВГД снизилось до 12,5+3,9 мм рт.ст. (р=0,0003) и 12,9+1,4 мм рт.ст. (р=0,00009) соответственно. В процентном отношении это составило снижение ВГД от исходного на 49,4+17,4 и 44,2+9,8% соответственно. Среднее число лекарств сократилось от 2,4+1,0 до 1,4+1,0 (р=0,05) и 1,0+1,0 (р=0,03) через 6 и 12 мес. соответственно. Полный и частичный успех был достигнут в 2 и 6 случаях (n=9) через 3 мес., в 2 и 7 случаях (n=9) через 6 мес. и в 2 и 3 случаях (n=5) спустя 12 мес. Во время операции микроперфорация трабекулы внутри шлеммова канала произошла в 1 из 9 случаев. В 7 случаях ЭШК полностью удалось имплантировать внутрь канала, в 2 случаях хвостовая часть экспандера (0,05 мм) оставалась во вскрытом канале. В раннем послеоперационном периоде фильтрационная подушка сформировалась у 3 больных через 1 неделю и в 1 случае через 1 и 3 мес. Осложнения, такие как наличие воспалительной реакции на месте имплантации ЭШК, его дислокация и прорезывание через трабекулярную ткань, не наблюдались. Проведение ИАГ-лазерной трабекулопунктуры не потребовалось ни в одном случае. ВЫВОДЫ. Имплантация ЭШК Кумара 2-го поколения эффективно снижает ВГД у больных с рефрактерной глаукомой. Достоверно сокращается число используемых гипотензивных лекарств в отдаленные сроки.</p></abstract><trans-abstract xml:lang="en"><p>PURPOSE: To evaluate effectiveness of Kumar's 2nd generation stainless steel spiral Schlemm's canal expander (SCE) in decreasing intraocular pressure (IOP) in patients with primary open-angle glaucoma (OAG) refractory to previous penetrating and non-penetrating glaucoma surgeries. METHODS: Nine consecutive patients (9 eyes) having failed filters (failed trabeculectomy - 6 cases, failed deep sclerectomy - 2 cases and failed selective laser trabeculoplasty - 1 case), who's IOP was insufficiently controlled, were operated upon. A 2.5-3.0 mm long stainless steel spiral 2nd generation SCE made from 0.04mm thick medical grade stainless steel wire, having outer diameter of 0.2 mm and inner lumen diameter of 0.12 mm was implanted into Schlemm's canal (SC) ab externo. Two patients (2 eyes) with coexisting cataract and glaucoma underwent a combined procedure. Patients were evaluated daily during hospital stay, after 1 week, and at 1, 3, 6 and 12 months after surgery. IOP was considered a primary outcome measure. Secondary outcome measures were as follows: the number of glaucoma medications pre- and postoperatively and complications. A paired t-test was used for IOP and medication analysis. Decrease in IOP &gt;20% or IOP from 6 to 18 mmHg without medication was considered a complete success, with medication - partial success. Failure was declared if the patient had IOP &lt; 6 mmHg or &gt; 18 or reduction in IOP was &lt;20% after 3 months and if patient needed a subsequent filtering surgery. Success rates were evaluated at each follow-up visit after 3 months after surgery. Statistical analysis was performed using MS office application - Excel 2007 at each follow-up visit taking into account the change in the number of patients. Results were considered significant with p&lt;0.05. RESULTS: Mean (mean+standard deviation (SD)) preoperative IOP was 25.2+5.5 mmHg. At each follow-up a decrease in mean IOP was observed, resulting in 12.5+3.9 mmHg (p=.00003) at 6 months and 12.9+1.4 mmHg (p=.00009) at 12 months. This represents a reduction in IOP from baseline of 49.4+17.4 and 44.2+9.8% at 6 and 12 months respectively. Mean number of used medications decreased from baseline 2.4+1.0 to 1.4+1.0 (p=0.05) and 1.0+1.0 (p=0.03) at 6 and 12 months respectively. Complete and partial success were observed in 2 and 6 cases (n=9) at 3 months, in 2 and 7 cases (n=9) at 6 months and 2 and 3 cases (n=5) at 12 months. There was only 1 case at 3 months, who fulfilled the failure criteria. There were no failure cases at 6 and 12 months. Intraoperative microperforation of trabecular meshwork (TM) in areas other than exposed part of SC occurred in 1 case. In 7 cases the device could be inserted completely into SC lumen. In 2 cases the caudal end (0.5 mm) of the device was left in the exposed part of SC. In the early post-operative period a bleb was noticed in 3 cases at 1 week and in 1 case at 1 and 3 months each. Complications like device dislocation, inflammation at the implantation site, devices' erosion through TM, loss of device were nil. YAG laser trabeculopucture was not required in any of the cases. CONCLUSION: Kumar's 2nd generation SCE is effective in decreasing IOP in patients with primary OAG refractory to previous penetrating and non-penetrating glaucoma surgeries. Use of medications is significantly reduced after implantation of this device.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Schlemm's canal surgery</kwd><kwd>Schlemm's canal expander</kwd><kwd>glaucoma surgery</kwd><kwd>refractory glaucoma surgery</kwd><kwd>хирургия шлеммова канала</kwd><kwd>экспандер шлеммова канала</kwd><kwd>хирургия глаукомы</kwd><kwd>хирургия рефрактерной глаукомы</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Quigley H.A., Broman A.T. The number of people with glaucoma worldwide in 2010 and 2020. Br J Ophthalmol 2006; 90(3): 262-267. doi: 10.1136/bjo.2005.081224.</mixed-citation><mixed-citation xml:lang="en">Quigley H.A., Broman A.T. The number of people with glaucoma worldwide in 2010 and 2020. 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