Effect of incentive spirometry after cardiac surgery: protocol for a systematic review / Efeito da espirometria de incentivo no pós-operatório de cirurgia cardíaca: protocolo para uma revisão sistemática

Introduction: Patients receiving cardiac surgeries present high risk of developing postoperative complications. Incentive spirometry (IS) is used for the prevention and treatment of postoperative pulmonary complications in patients undergoing cardiac surgeries. Publications have suggested that IS is ineffective. In contrast, some studies have shown that when IS is adequately used, it may lead to beneficial outcomes. Objectives: To assess the effect of IS in patients undergoing cardiac surgeries. Methods/design: Systematic Reviews with randomised and quasi-randomised trials with adult patients undergoing cardiac surgeries, evaluating the effect of flow or volumeoriented IS. Outcome measures: postoperative pulmonary complications; adverse events; mortality; length of hospital stay; length of intensive care unit stay; reintubation rate; pulmonary function; antibiotic use; oxygenation; and respiratory muscle strength. Search: MEDLINE, EMBASE, CENTRAL, PEDro, CINAHL, LILACS, SCIELO, Allied, AMED, Scopus, Open Grey database, the World Health Organization International Clinical Trials Registry Platform (WHO ICTRP), ClinicalTrials.gov, clinicaltrialsregister.eu, and ReBec. Two authors will independently extract data. PEDro scale will be used to evaluate the methodological quality of the studies. Metaanalysis will be performed using the inverse variance method and the random effects model in RevMan 5.3. We will use the I 2 statistic to estimate the amount of heterogeneity across studies in each meta-analysis. Ethics and dissemination: The approval of an ethical committee is not required. Only clinical trials that have complied with ethical guidelines and followed the Declaration of Helsinki, will be included in this systematic review. The findings of this study will help clarify uncertainties about the effects of incentive spirometry in the postoperative period of cardiac surgery and may be disseminated to clinicians, assisting in decision making and including the best evidence in the treatment of their patients. Discussion: This review will clarify the uncertainty over whether IS is a useful technique for patients undergoing cardiac surgeries. While good quality studies have shown IS is an effective prophylactic technique, other studies have suggested that there is no evidence to support IS utilization. (AU)

Introdução: Pacientes submetidos a cirurgias cardíacas apresentam alto risco de desenvolver complicações pós-operatórias. A espirometria de incentivo (EI) é utilizada para a prevenção e tratamento de complicações pulmonares pós-operatórias em pacientes submetidos a cirurgias cardíacas. As publicações têm sugerido que a EI é inefetiva. Em contrapartida, alguns estudos têm demonstrado que quando a EI é utilizada adequadamente, pode levar a resultados benéficos. Objetivos: Avaliar o efeito da EI em pacientes submetidos a cirurgias cardíacas. Métodos/desenho: Revisões sistemática de estudos randomizados e quase randomizados com pacientes adultos submetidos a cirurgias cardíacas, avaliando o efeito da EI a fluxo ou a volume. Medidas de desfecho: complicações pulmonares pós-operatórias; eventos adversos; mortalidade; tempo de internação hospitalar; tempo de internação na unidade de terapia intensiva; taxa de reintubação; função pulmonar; uso de antibióticos; oxigenação e força muscular respiratória. Busca: MEDLINE, EMBASE, CENTRAL, PEDro, CINAHL, LILACS, SCIELO, Allied, AMED, Scopus, Open Grey database, World Health Organization International Clinical Trials Registry Platform (WHO ICTRP), ClinicalTrials.gov, clinicaltrialsregister.eu, e ReBec. Dois autores irão extrair dados de forma independente. A escala PEDro será utilizada para avaliar a qualidade metodológica dos estudos. A meta-análise será realizada utilizando o método do inverso da variância e o modelo de efeitos aleatórios no RevMan 5.3. Será utilizada a estatística I 2 para estimar a heterogeneidade entre os estudos em cada meta-análise. Ética e disseminação: A aprovação de um comitê de ética não é necessária. Somente estudos clínicos que tenham cumprido as diretrizes éticas e seguido a Declaração de Helsinque serão incluídos nesta revisão sistemática. Os resultados deste estudo ajudarão a esclarecer incertezas sobre os efeitos da espirometria de incentivo no período pós-operatório de cirurgia cardíaca e poderão ser divulgados aos clínicos, auxiliando na tomada de decisões e incluindo as melhores evidências no tratamento de seus pacientes. Discussão: Esta revisão esclarecerá a incerteza sobre a utilidade da EI para pacientes submetidos à cirurgia cardíaca. Embora estudos de boa qualidade tenham demonstrado que a EI é uma técnica profilática eficaz, outros estudos sugeriram que não há evidências que apoiem a utilização da EI. (AU)

Effect Of Threshold Inspiratory Muscle Training Versus Incentive Spirometry In Upper Abdominal Surgeries: A Comparative Study

Background: Surgical care has a role in treating a broad spectrum of diseases in the alleviation of human suffering. Upper abdominal surgery included gastrectomy, pancreatectomy, hepatic resection, cholecystectomy and splenectomy. Maximal inspiratory pressure (Pimax) is an important indicator for assessing the strength of inspiratory muscles. Respiratory muscle training devices enhance respiratory muscle strength, endurance and exercise capacity. Pressure Threshold IMT devices are usually handheld devices with a spring load that is impeded with different intensities. Incentive Spirometer is a form of ventilatory training that emphasis sustained maximum inspiration. Therefore, the present study aims to assess the effect of Threshold Inspiratory Muscle Training versus Incentive spirometry in participants with upper abdominal surgeries. Materials and Methods: A prospective cross-sectional comparative study was done with 30 participants with upper abdominal surgeries in the age group of 20 to 65. On Day 1 and after 2 weeks the maximal inspiratory pressure was measured using Hand Held Pressure Manometer Device (Pimax). Group A participants received Threshold Inspiratory Muscle Training (IMT) and Group B participants received Incentive spirometry. The intervention was given for 5 days in a week for 2 weeks. The duration for each session was of 15-30 minutes which also includes rest periods. Data was analyzed using student Paired ‘t’ test and Unpaired ‘t’ test. Result: There was extremely significant difference (p<0.0001) in Maximal Inspiratory Pressure (Pimax) in both the groups but Group A showed slightly more improvement were Threshold Inspiratory Muscle Training (IMT) was given as an intervention after 2 weeks. Conclusion: The study shows extremely significant improvement in Maximal Inspiratory Pressure (PImax) in both the groups. This study concluded that Threshold IMT has more effect than Incentive Spirometry in participants with upper abdominal surgeries.

Immediate Effect Of Incentive Spirometry On Arterial Blood Gases Analysis After Coronary Bypass Graft Surgery Patients

Background:The patients who have done CABG are prone to pulmonary complications. Various physiotherapy man-agement is present for prevention of lung complication. Literature shows lots of technique as treatment of choice, incentive spirometry is one of them. AIM: To asses immediate effect of incentive spirometry on arterial blood gas analysis in patient recently underwent coronary artery bypass surgery. Method:There was 30 patients. Blood was drawn from arterial line for pre-treatment ABG. Incentive spirometry was given 10 reps and 3 sets. Patient was prop up 30-40 degree. Romsons tri colour volume spirometry is used. Mouthpiece was placed in patient’s mouth and made a good seal over the mouthpiece with lips. Exhaled through nose normally then breathe in slowly through mouth. Ball in the incentive spirometer will go up. The patient to hold or rise the ball as high as possible and hold it for 3 or 5 seconds the slowly exhale. This was done for 10 to 15 times. Blood was drawn from arterial line for post treatment ABG. Result: There was statistically extremely significant change in value of PaO2 (112.54 ±39.46 vs133.01 ±42.13) p value <0.0001, PaCO2 (38.75 ±4.2 vs 36.9 ±3.7) p value 0.0003 and SaO2 (96.8 ±1.84 vs 98.93 ±1.11) p val-ue <0.0001 Conclusion:This study shows that there is immediate effect of Incentive Spirometry on ABG analysis in CABG surgery patient by significant improvement of PaO2 and SaO2 and decrease in PaCO2

Pharyngeal reperforation following incentive spirometry: A case report

Despite its widespread use, complication of incentive spirometry has been rarely reported. We report a case of pharyngeal reperforation following incentive spirometry. A 75-year-old female, had a history of long-term steroid use, entered the intensive care unit for maintenance of mechanical ventilation following surgical repair of a pharyngeal perforation. After ventilator weaning, incentive spirometry was implemented on postoperative day 4. Immediately after incentive spirometry use, patient's neck began to swell, and subcutaneous emphysema was palpated. Pharyngeal reperforation was suspected on neck computed tomography, and emergency surgery was performed. Surgery revealed a 3-cm long rupture from the hypopharynx to the esophagus. The causes were thought to be delayed wound healing due to long-term steroid use and a sudden increase in pharyngeal pressure due to incentive spirometry. In conclusion, particular attention should be paid when using incentive spirometry after head and neck surgery in patients with a history of long-term steroid use.

Effect of preoperative incentive spirometry on fentanyl-induced cough: a prospective, randomized, controlled study / 대한마취과학회지

BACKGROUND: Fentanyl-induced cough (FIC) has a reported incidence of 13–65% on induction of anesthesia. Incentive spirometry (IS) creates forceful inspiration, while stretching pulmonary receptors. We postulated that spirometry just before the fentanyl (F) bolus would decrease the incidence and severity of FIC. METHODS: This study enrolled 200 patients aged 18–60 years and with American Society of Anesthesiologists status I or II. The patients were allocated to two groups of 100 patients each depending on whether they received preoperative incentive spirometry before fentanyl administration. Patients in the F+IS group performed incentive spirometry 10 times just before an intravenous bolus of 3 µg/kg fentanyl in the operating room. The onset time and number of coughs after fentanyl injection were recorded as primary outcomes. Any significant changes in blood pressure, heart rate, or adverse effects of the drug were recorded as secondary outcomes. RESULTS: Patients in the F+IS group had a significantly lower incidence of FIC than in the F group (6% vs. 26%) (P < 0.05). The severity of cough in the F+IS group was also significantly lower than that in group F (mild, 5 vs. 17; moderate 1 vs. 7; severe, 0 vs. 2) (P < 0.05). The median onset time was comparable in both groups (9 s [range: 6–12 s] in both groups). CONCLUSIONS: Preoperative incentive spirometry significantly reduces the incidence and severity of FIC when performed just before fentanyl administration.

Clinical application of incentive spirometry in patients with chronic obstructive pulmonary disease after thora-cotomy / 局解手术学杂志

Objective To discuss the feasibility on reducing the postoperative pulmonary complications ( PPC) incidence after thoracot-omy on chronic obstructive pulmonary disease ( COPD) though application of incentive spirometry ( IS) . Methods 62 patients with COPD concurrent thoracotomy were divided into control group and observation group,the control group was given routine nebulization,expectoration and other physical treatment;the observation group were given IS besides the conventional treatment. The incidence of PPC,prognosis,and the changes on pulmonary function were compared between these two groups. Results The incidence of PPC and mortality of observation group were significantly lower than those of control group,and the inspiratory capacity( IC) from 3~5 days was significantly higher than that of con-trol group. Conclusion Application of IS can reduce the PPC incidence after thoracotomy on COPD patients,and promote the recovery of pulmonary function.

Incentive spirometry in major surgeries: a systematic review / Incentivador respiratório em cirurgias de grande porte: uma revisão sistemática

OBJECTIVE: To conduct a systematic review to evaluate the evidence of the use of incentive spirometry (IS) for the prevention of postoperative pulmonary complications and for the recovery of pulmonary function in patients undergoing abdominal, cardiac and thoracic surgeries. METHODS: Searches were performed in the following databases: Medline, Embase, Web of Science, PEDro and Scopus to select randomized controlled trials which the IS was used in pre- and/or post-operative in order to prevent postoperative pulmonary complications and/or recover lung function after abdominal, cardiac and thoracic surgery. Two reviewers independently assessed all studies. In addition, the studies quality was assessed using the PEDro scale. RESULTS: Thirty studies were included (14 abdominal, 13 cardiac and 3 thoracic surgery; n=3,370 patients). In the analysis of the methodological quality, studies achieved a PEDro average score of 5.6, 4.7 and 4.8 points in abdominal, cardiac and thoracic surgeries, respectively. Five studies (3 abdominal, 1 cardiac and 1 thoracic surgery) compared the effect of the IS with control group (no intervention) and no difference was detected in the evaluated outcomes. CONCLUSION: There was no evidence to support the use of incentive spirometry in the management of surgical patients. Despite this, the use of incentive spirometry remains widely used without standardization in clinical practice.

OBJETIVO: Realizar um levantamento da literatura para avaliar as evidências do uso do incentivador respiratório (IR) na prevenção de complicações pulmonares pós-operatórias (CPPs) e recuperação da função pulmonar em pacientes submetidos a cirurgias abdominal, cardíaca e torácica. MÉTODOS: Esta revisão sistemática utilizou as bases de dados Medline, Embase, Web of Science, PEDro e Scopus para selecionar ensaios clínicos randomizados, nos quais o IR foi utilizado nos período pré e/ou pós-operatório, visando prevenir CPP e/ou recuperar função pulmonar após cirurgias abdominal, cardíaca ou torácica. Dois revisores analisaram independentemente os estudos. Além disso, a qualidade dos estudos foi avaliada segundo a escala PEDro. RESULTADOS: Trinta estudos foram incluídos (14 de cirurgia abdominal, 13 de cardíaca e três de torácica; n=3370 pacientes). Na análise de qualidade, os estudos obtiveram média de 5,6, 4,7 e 4,8 pontos nas cirurgias abdominais, cardíacas e torácicas, respectivamente. Cinco estudos (três de cirurgia abdominal, um de cardíaca e um de torácica) compararam o efeito do IR com grupo controle (sem intervenção) e não se verificou diferença nos desfechos estudados. CONCLUSÃO: Não se encontraram evidências que subsidiem o uso do IR no manejo de pacientes cirúrgicos. Apesar disso, o uso do IR continua não-padronizado e amplamente difundido na prática clínica.

Estudo das variações de pressão inspiratória máxima em tetraplégicos, tratados por meio de incentivador respiratório, em regime ambulatorial / Study of maximal inspiratory pressure variations in tetraplegics, treated by means of incentive spirometry, in outpatients

Introdução: O crescente número de vitimas de lesão medular nos tempos atuais, suas incapacidades e consequências físico-funcionais motivaram-nos a abordar no presente estudo a intervenção fisioterapêutica respiratória ambulatorial nesta população. Objetivos: Escolhemos pesquisar sujeitos com lesão adquirida traumática oriundos de uma associação na cidade de Curitiba, PR. Considerando-seque o prognóstico relaciona-se ao nível sensitivo e motor, selecionamos sujeitos com lesões cervicais,por se tratarem de quadros que estão acompanhados de disfunções respiratórias, estas decorrentes do acometimento dos músculos acessórios da respiração. Portanto, essa população é merecedora de uma abordagem preventiva, uma vez que as referidas disfunções podem produzir complicações e piora de prognóstico geral. Tivemos a preocupação de demonstrar as possíveis alterações da capacidade de força respiratória, em função da intervenção fisioterapêutica. Metodologia: Utilizamos, para tanto, o instrumento de medida, comparação e controle da força muscular inspiratória denominado manovacuometria.No tratamento, utilizamos o Threshold IMT, que é um incentivador respiratório. Para os critérios metodológicos, optamos por amostra conveniente, de corte longitudinal, em que foi realizada uma avaliação de força inspiratória inicial, objetivando-se alcançar os valores de pressão inspiratória máxima (PImáx), para comparar com a posterior reavaliação, pós intervenção. Os sujeitos foram submetidos a 30 atendimentos de 15 minutos cada, três vezes por semana. Após este período foram reavaliados sob os mesmos critérios técnicos, para as devidas comparações. Resultados: Os resultados permitiram constatar significativa melhora no condicionamento muscular respiratório, o qual atingiu o nível relevante do desvio padrão (p < 0,05). Conclusão: Concluímos, portanto, que a proposta de tratamento é eficaz.

Introduction: The growing number of victims of spinal cord injury, in modern times, with their disabilities and physical-functional consequences, motivated us to discuss in this study the respiratory physiotherapeutic intervention in outpatients. Objective: We choose to search individuals with traumatic injury acquired, from an association in the city of Curitiba, Paraná State. Considering that the prognosis is linked to the motor and sensory level, we selected persons with cervical lesions, by targeting frames that are accompanied by respiratory dysfunctions, those resulting from the involvement of accessories muscles of respiration. Therefore, this population deserves a preventive approach, because these dysfunctions can produce complications and reduced overall prognosis. We demonstrate the possible changes in respiratory force capacity, depending on the physiotherapeutic intervention. Methodology: We use, for that, the instrument of measurement, comparison and control of inspiratory muscle strength named manovacuometry. In treatment, we use the Threshold IMT, which is a respiratory supporter. For methodological criteria, we chose convenience sample, slitting, with an assessment of initial inspiratory force, aiming to achieve the values of maximal inspiratory pressure (MIP), to compare with subsequent reassessment after intervention. The subjects underwent 30 calls of 15 minutes each, three times a week. After this, they were re-evaluated under the same technical criteria for the appropriate comparisons. Results: Results show significant improvement in respiratory muscle conditioning, which reached the level of the relevant standard deviation (p < 0.05). Conclusion: We conclude, therefore, that the proposed treatment is effective.

Breathing pattern, thoracoabdominal motion and muscular activity during three breathing exercises

The objective of the present study was to evaluate breathing pattern, thoracoabdominal motion and muscular activity during three breathing exercises: diaphragmatic breathing (DB), flow-oriented (Triflo II) incentive spirometry and volume-oriented (Voldyne) incentive spirometry. Seventeen healthy subjects (12 females, 5 males) aged 23 ± 5 years (mean ± SD) were studied. Calibrated respiratory inductive plethysmography was used to measure the following variables during rest (baseline) and breathing exercises: tidal volume (Vt), respiratory frequency (f), rib cage contribution to Vt (RC/Vt), inspiratory duty cycle (Ti/Ttot), and phase angle (PhAng). Sternocleidomastoid muscle activity was assessed by surface electromyography. Statistical analysis was performed by ANOVA and Tukey or Friedman and Wilcoxon tests, with the level of significance set at P < 0.05. Comparisons between baseline and breathing exercise periods showed a significant increase of Vt and PhAng during all exercises, a significant decrease of f during DB and Voldyne, a significant increase of Ti/Ttot during Voldyne, and no significant difference in RC/Vt. Comparisons among exercises revealed higher f and sternocleidomastoid activity during Triflo II (P < 0.05) with respect to DB and Voldyne, without a significant difference in Vt, Ti/Ttot, PhAng, or RC/Vt. Exercises changed the breathing pattern and increased PhAng, a variable of thoracoabdominal asynchrony, compared to baseline. The only difference between DB and Voldyne was a significant increase of Ti/Ttot compared to baseline. Triflo II was associated with higher f values and electromyographic activity of the sternocleidomastoid. In conclusion, DB and Voldyne showed similar results while Triflo II showed disadvantages compared to the other breathing exercises.

The Effect of Deep Breathing Exercise and Incentive Spirometry to Prevent Postoperative Pulmonary Complications after Abdominal Surgery in Geriatric Patients / 대한마취과학회지

BACKGROUND: The purpose of this clinical study was to evaluate the Incentive Spirometry (IS) and Deep Breathing Exercises (DBE) to prevent postoperative pulmonary complications after abdominal surgery in patients over 60 years of age. METHODS: We prospectively randomized 90 patients into 1 of 3 groups: the control group (30 patients) received no respiratory treatment, the IS group (30 patients) was treated with incentive spirometry 4 times daily and DBE group (30 patients) carried out deep breathing exercises under supervision for 15 min 4 times daily. ABGA was taken at ward, PR (preop.room), RR (recovery room), POD1 day and POD2 day. Roentgenographic changes observed at 24 h. and 48 h. after surgery. Pulmonary complications were defined as the development of 3 or more of 6 new findings: cough, sputum, dyspnea, chest discomfort, temperature greater than 38oC, pulse rate more than 100 beats/min. RESULTS: PaO2 in the DBE group and IS group at PR were significantly increased than the values at ward, and the values of the PaO2 in the DBE group at RR and POD1 day, and those of IS group at PR and POD2 day were significant higher than those of the control group (p<0.05). The frequency of development of pulmonary complications (43.3% in the control group, 20% in the DBE group, 20% in the IS group) and roentgenographic changes were comparable in the 3 groups (26.7%, 16.7%, 20% respectively). The DBE group showed the different incidence of postoperative pulmonary complications between upper and lower abdominal surgery (upper: lower= 35.7: 6.3%). CONCLUSIONS: We concluded that DBE and IS were effective in preventing postoperative pulmonary complications after abdominal surgery and lower abdominal surgery causes lesser postoperative pulmonary complications than upper abdominal surgery.