Abstract
To identify factors affecting the effectiveness of NSAIDs in patients with OA and LBP. An observational study was conducted to evaluate the effectiveness of a 2-week course of NSAIDs in OA and LBP in real clinical practice. The study group consisted of 3604 patients with OA and LBP (60.6% women and 39.4% men, mean age 55.0±13.4 years). According to the study design, aceclofenac (Airtal) and other NSAIDs used in the ratio 1:1. The main criterion of effectiveness was the frequency of complete pain relief after 2 weeks of therapy. In addition, the decrease of pain and general health were determined on a 10-point numerical rating scale (NRS). We compared the frequency of complete pain relief in patients who had and did not have the studied factors. The value of the studied factors was determined using OR (95% CI). Most patients received aceclofenac (54.9%), as well as diclofenac (2.0%), ketoprofen (1.9%), lornoxicam (2.2%), meloxicam (13.7%), naproxen (2.1%), nimesulide (5.8%), celecoxib (5.9%), ethicoxib (7.1%) and other NSAIDs (4.4%); 56.2% of patients received muscle relaxants, mainly tolperisone (74.7%), vitamin B (10.4%), and proton pump inhibitors (42.8%). Complete pain relief was achieved in 54.8% of patients. The pain decrease and general health improvement were (for NRS) 63.9±13.4% and 61.7±14.8%, respectively. The efficacy of aceclofenac was slightly higher than in the whole group: complete pain relief was in 59.9% of patients. Adverse events in aceclofenac use were observed in 2.3% of patients, other NSAIDs-from 2.4 to 14.1%. The frequency of complete pain relief was higher in men: OR 1,239 (95% CI 1.08-1.418; p=0.002), who had the first episode of pain - OR 3.341 (95% CI 2.873-3.875; p=0.000), a good" response " to NSAIDs in history - OR 1.656 (95% CI 1.385-1.980; p=0.000) and received NSAIDs in combination with muscle relaxants - OR 1.218 (95% CI 1.067-1.390; p=0.004). The effect of therapy is lower in patients 65 years and older-OR 0,378 (95% CI 0.324-0.442; p=0,000), with body mass index >30 kg/m² - OR 0.619 (95% CI 0.529-0.723; p=0.000), with severe pain (≥7 points NRS) - OR 0.662 (95% CI 0.580-0.756; p=0.002), with pain at rest, - OR 0.515 (95% CI 0.450-0,589; p=0.000), pain at night - OR 0.581 (95% CI 0.501-0.672; p=0.000) and the presence of stiffness - OR 0.501 (95% CI 0.438-0,573; p=0.000). Treatment results are significantly worse in the cases of combination of LBP and joint pain, as well as pain in the trochanter major and pes anserinus area (p<0.001). NSAIDs are the first-line medications for the pain treatment in LBP and OA. Aceclofenac is effective and safe in this conditions. When carrying out analgesic therapy should take into account factors that affect the effectiveness of treatment: old age, overweight, insufficient effect of NSAIDs in history, severe pain, signs of "inflammatory" pain, multiple sources of pain.
Highlights
Factors affecting the results of analgesic therapy
The frequency of complete pain relief was higher in men: OR 1,239, who had the first episode of pain – OR 3.341, a good" response " to Non-steroidal anti-inflammatory drugs (NSAIDs) in history – OR 1.656 and received NSAIDs in combination with muscle relaxants – OR 1.218
The effect of therapy is lower in patients 65 years and older-OR 0,378, with body mass index >30 kg/m2 – OR 0.619, with severe pain (≥7 points numerical rating scale (NRS)) – OR 0.662, with pain at rest, – OR 0.515, pain at night – OR 0.581 and the presence of stiffness – OR 0.501
Summary
Нестероидные противовоспалительные препараты (НПВП) активно используются в клинической практике как действенные и удобные средства для купирования боли, вызванной повреждением и воспалением. Далеко не все больные являются «ответчиками» на НПВП, и в ряде случаев при типичной ноцицептивной боли (в том числе при ОА и НБС) эффект этих препаратов оказывается недостаточным или отсутствует вовсе. Иванова Ольга Николаевна – к.м.н., БУЗ ВО «Воронежская областная клиническая больница No1», главный внештатный ревматолог Воронежской области. Куликов Алексей Игоревич – ГБУ РО «Областная клиническая больница No 2», главный внештатный специалист Ростовской области. Несмеянова Ольга Борисовна – к.м.н., ГЛПУЗ «Челябинская областная клиническая больница», главный внештатный специалист Челябинской области, главный внештатный ревматолог Уральского федерального округа. Сальникова Татьяна Сергеевна – к.м.н., ГУЗ Тульской области «Тульская областная клиническая больница», зав. Влияющих на эффективность обезболивающей терапии при использовании НПВП, представляется интересным и актуальным для современной медицинской науки, поскольку может позволить в существенной степени улучшить контроль боли у пациентов, страдающих заболеваниями костно-мышечной системы. Для изучения этого вопроса проведено наблюдательное исследование НОТА (НПВП для Обезболивания: Терапевтический Анализ)
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