scholarly journals Impact of chronic khat (Catha edulis Forsk) chewing on pulmonary function test and oxygen saturation in humans: A comparative study

2019 ◽  
Vol 7 ◽  
pp. 205031211882461 ◽  
Author(s):  
Gashaw Garedew Woldeamanuel ◽  
Teshome Gensa Geta
Keyword(s):  
Lung Function ◽  
Pulmonary Function ◽  
Oxygen Saturation ◽  
Vital Capacity ◽  
Forced Expiratory Volume ◽  
Mean Values ◽  
Khat Chewing ◽  
Significant Difference ◽  
The Mean

Background: Chronic consumption of khat affects many organ systems and leads to various health disturbances in the chewers. Few studies examined the acute effects of khat ingestion on lung function parameters. However, studies which assessed the long-term effects of khat chewing on pulmonary function parameters and oxygen saturation are lacking. Objective: The aim of this study was to assess the impact of chronic Khat chewing on pulmonary function parameters and oxygen saturation among chronic Khat chewers in Wolkite, Ethiopia. Methods: A community-based comparative cross-sectional study was conducted in Wolkite, Ethiopia from 1 June 2018 to 15 August 2018. A total of 324 participants, 162 khat chewers and 162 non-chewers were included in the study. The data were collected through face-to-face interview by trained data collectors. British Medical Research Council respiratory questionnaire was used to assess respiratory symptoms. A spirometer was used to assess various lung function parameters. Moreover, oxygen saturation of hemoglobin was measured using pulse oximeter. Data were entered into CSPro version 6.2 and analyzed using SPSS version 23. Results: This study showed statistically significant (p < 0.05) reduction in the mean values of forced vital capacity, forced expiratory volume in first second and maximum ventilation volume among khat chewers as compared to non-chewers. There was no significant difference in the mean values of other lung function parameters between the two groups. Similarly, there was no significant difference (p = 0.642) in mean oxygen saturation of hemoglobin (SaO2) across the two groups. Conclusion: It is evident from this study that long-term khat consumption is associated with decreased mean forced vital capacity, forced expiratory volume in first second and maximum ventilation volume. Hence, there is a need for further study to strengthen the current findings and to explore the mechanisms of khat chewing effect on lung function parameters.

Airway reactivity and lung function in triiodothyronine-induced thyrotoxicosis

1985 ◽  
Vol 58 (5) ◽  
pp. 1485-1488 ◽  
Author(s):  
R. S. Irwin ◽  
M. R. Pratter ◽  
D. H. Stivers ◽  
L. E. Braverman
Keyword(s):  
Lung Function ◽  
Pulmonary Function ◽  
Respiratory Symptoms ◽  
Pulmonary Function Tests ◽  
Forced Expiratory Volume ◽  
Base Line ◽  
Airway Reactivity ◽  
Percent Change ◽  
Serum T3 ◽  
The Mean

To evaluate the possible relationship between asthma and hyperthyroidism, airway reactivity and lung function were prospectively compared in healthy volunteers before, during, and after liothyronine (triiodothyronine, T3)-induced hyperthyroidism. Base-line evaluation of the 10 subjects included clinical evaluation, thyroid and pulmonary function tests, and airway reactivity assessed by methacholine inhalational challenge (MIC). All studies were normal. During T3-induced hyperthyroidism, no subject developed respiratory symptoms or changes in pulmonary function or airway reactivity. The mean percent change in forced expiratory volume at 1 s from base line (delta FEV1) of -2.4 +/- 3.0 after MIC was not significantly different from that obtained before T3 administration (-1.4 +/- 1.5, P greater than 0.2). When all serum T3 concentrations and delta FEV1 values before, during and after T3-induced hyperthyroidism were compared, there was no significant correlation. We conclude that T3-induced hyperthyroidism of 3-wk duration has no effect on airway reactivity or lung function in normal volunteers.

scholarly journals Lung function test in children with left-to-right shunt congenital heart disease

2018 ◽  
Vol 58 (4) ◽  
pp. 165-9
Author(s):  
Carolina Kurniawan ◽  
Indah Kartika Murni ◽  
Sasmito Nugroho ◽  
Noormanto Noormanto ◽  
Roni Naning
Keyword(s):  
Congenital Heart Disease ◽  
Pulmonary Hypertension ◽  
Heart Disease ◽  
Lung Function ◽  
Congenital Heart ◽  
Vital Capacity ◽  
Septal Defect ◽  
Forced Expiratory Volume ◽  
Significant Difference ◽  
Restrictive Lung Function

Background Increased pulmonary blood flow may lead to abnormal lung function in children with left-to-right (L to R) shunt congenital heart disease. This condition has been linked to considerable mortality and morbidity, including reduced lung function. Objective To assess for lung function abnormality in children with L to R shunt congenital heart disease. Methods We conducted a cross-sectional study involving children aged 5-18 years and diagnosed with L to R shunt congenital heart disease at Dr. Sardjito Hospital from March to May 2017. Subjects underwent spirometry tests to measure forced expiratory volume-1 (FEV-1), forced vital capacity (FVC), and forced expiratory volume-1 (FEV-1)/forced vital capacity (FVC). Results Of 61 eligible subjects, 30 (49.2%) children had atrial septal defect (ASD), 25 (41%) children had ventricular septal defect (VSD), and 6 (9.8%) children had patent ductus arteriosus (PDA). Spirometry revealed lung function abnormalities in 37 (60.7%) children. Restrictive lung function was documented in 21/37 children, obstructive lung function in 11/37 children, and mixed pattern of lung function abnormality in 5/37 children. Pulmonary hypertension was found in 21 children. There was no significant difference in lung function among children with and without pulmonary hypertension (P=0.072). Conclusion Abnormal lung function is prevalent in 60.7% of children with L to R shunt congenital heart disease, of which restrictive lung function is the most common. There was no significant difference in lung function among children with and without pulmonary hypertension.

scholarly journals Are preterm-born survivors at risk of long-term respiratory disease?

2017 ◽  
Vol 11 (7) ◽  
pp. 277-287 ◽  
Author(s):  
Katarzyna Kaczmarczyk ◽  
Ida Wiszomirska ◽  
Magdalena Szturmowicz ◽  
Andrzej Magiera ◽  
Michalina Błażkiewicz
Keyword(s):  
Preterm Birth ◽  
Forced Vital Capacity ◽  
Vital Capacity ◽  
Reference Group ◽  
Statistical Significance ◽  
Forced Expiratory Volume ◽  
Significant Difference ◽  
Expiratory Flow ◽  
Preterm Born

Background: To evaluate the long-term impact of preterm birth on respiratory function in female patients born preterm, we undertook spirometric examinations twice, as they reached the age of puberty, then follow-up examinations of part of the same cohort in adulthood. We sought evidence that preterm birth is correlated with poorer spirometric results into adulthood. Methods: A total of 70 girls (aged 12.2 ± 1.5 years in 1997) who had been born preterm (at 34.7 ± 1.86 weeks, none having experienced bronchopulmonary dysplasia) took part in spriometric examinations in 1997 and again in 1998. Of those, after a gap of 17 years, a group of 12 were successfully recontacted and participated in the 2015 examination as adults (then aged 27.6 ± 2.6 years, born at 34.5 ± 1.92 weeks). We compared spirometric results across the adolescent and adult examinations, and compared the adult results with an adult reference group. Results: The percentage values of FEV1 (forced expiratory volume in 1 s), FVC (forced vital capacity) and MVV (maximal voluntary ventilation) showed significant improvement between the two examinations in the early adolescent period. In adulthood, FEV1%pred (percentage predicted forced expiratory volume in 1 s) showed no statistically significant difference. The mean values of both FVC and FVC%pred (percentage predicted forced vital capacity) for the preterm-born group were lower than for the reference group, but this was not statistically significant. The preterm-born group showed lower values of such parameters as forced expiratory flow at 25–75% of FVC, MEF25 (maximal expiratory flow at 25% of forced vital capacity) and FEV1/FVC as compared with the reference group, but again without statistical significance. Conclusions: (1) A somewhat below-norm level of respiratory parameters among preterm-born girls entering pubescence may attest to continued negative impact on their respiratory system. (2) A significant improvement in their spirometric results 1 year later may indicate that pubescence helps compensate for the earlier negative effect of preterm birth. (3) No significant differences were seen in lung function in preterm-born adults as compared with a reference group of adults, although the preterm-born group did exhibit lower values of all parameters studied and more frequent obstructive disorders.

scholarly journals Perbandingan FEV1 antara subjek perokok dan non perokok pada mahasiswa Fakultas Kedokteran Universitas Sam Ratulangi Manado

e-CliniC ◽  
2016 ◽  
Vol 4 (2) ◽  
Author(s):  
Maniata F. Bata ◽  
Maarthen C.P. Wongkar ◽  
Bisuk P. Sedli
Keyword(s):  
Medical Students ◽  
Lung Function ◽  
Forced Vital Capacity ◽  
Vital Capacity ◽  
Forced Expiratory Volume ◽  
Study Data ◽  
T Test ◽  
F Test ◽  
Anova Test ◽  
Significant Difference

Abstract: Smoking is one of the factors causing decline of lung function characterized by impairment of Forced Expiratory Volume in 1 second (FEV1), Forced Vital Capacity (FVC), and FEV1/FVC. This study was aimed to obtain the differences in FEV1 between smokers and non smokers, among smokers based on duration of smoking, and among smokers based on the number of cigarettes per day in medical students of University of Sam Ratulangi Manado. This was an observational analytic study. Data were analyzed by using the independent T test and the ANOVA with the F Test. Subjects were 40 males, consisted of 20 smokers and 20 non-smokers. Six smokers had smoked for 2-5 years and 14 smokers had smoked for >5 years. Smoking less than10 cigarettes/day, 10-20 cigarettes/day, and more than 20 cigarettes/day were found in 8, 9, and 3 subjects respectively. The independent T-test showed that there was no significant difference in FEV1 between smokers and non-smokers (p=0.250). The independent T-test also showed that there was no significant difference in FEV1 between smokers of 2-5 years and smokers of more than 5 years (p=0.117). The ANOVA test showed that there was no significant difference in FEV1 between smokers of <10 cigarettes/day, 10-20 cigarettes/day, and >20 cigarettes/day (p=0.481). Conclusion: In this study there were no significant differences in FEV1 between smokers and non smokers, among smokers based on duration of smoking, and among smokers based on the number of cigarettes per day.Keywords: smoker, non smoker, FEV1, duration of smoking, number of cigarette Abstrak: Merokok adalah salah satu faktor penyebab penurunan fungsi paru yang ditandai oleh penurunan nilai volume Forced Expiratory Volume in 1 Second (FEV1), Forced Vital Capacity (FVC), dan rasio FEV1/FVC. Penelitian ini bertujuan untuk mengetahui perbedaan FEV1 antara subjek perokok dan non perokok, antar subjek perokok berdasarkan lama merokok, dan antar subjek perokok berdasarkan jumlah batang rokok yang dihisap per hari pada mahasiswa Fakultas Kedokteran Universitas Sam Ratulangi. Jenis penelitian ialah observasional analitik dengan uji T independent dan uji ANOVA dengan uji F. Subjek penelitian ialah 40 orang laki-laki terdiri dari 20 subjek perokok dan 20 subjek non perokok. Hasil penelitian mendapatkan terdapat 6 subjek perokok yang telah merokok selama 2-5 tahun dan 14 subjek telah merokok selama >5 tahun sedangkan yang menghisap rokok <10 batang/hari, 10-20 batang/hari, dan >20 batang/hari ialah masing-masing 8 orang, 9 orang, dan 3 orang. Uji T-independent menunjukkan tidak terdapat perbedaan bermakna antara FEV1 subjek perokok dan non perokok (p=0,250). Hasil uji T independent terhadap perbedaan FEV1 subjek perokok yang telah merokok 2-5 tahun dengan yang telah merokok >5 tahun mendapatkan p=0,117. Uji ANOVA terhadap perbedaan nilai FEV1 antara subjek perokok yang menghisap rokok sebanyak <10 batang/hari, 10-20 batang/hari, dan >20 batang/hari mendapatkan p=0,481. Simpulan: Pada penelitian ini tidak terdapat perbedaan bermakna antara FEV1 subjek perokok dan non perokok, antar subjek perokok berdasarkan lama merokok, dan antar subjek perokok berdasarkan jumlah batang rokok yang dihisap per hari.Kata kunci: perokok, non perokok, FEV1, lama merokok, jumlah batang rokok

scholarly journals Evaluation of lung function among the Indian elite female weightlifters

2017 ◽  
Vol 5 (3) ◽  
pp. 987
Author(s):  
Snehunsu Adhikari ◽  
Adilakshmi Perla ◽  
Suresh Babu Sayana ◽  
Mithilesh K. Tiwari ◽  
Tambi Medabala
Keyword(s):  
Lung Function ◽  
Forced Vital Capacity ◽  
Vital Capacity ◽  
Lung Function Test ◽  
Forced Expiratory Volume ◽  
Physiological Adaptation ◽  
Control Group ◽  
Study Group ◽  
Significant Difference ◽  
Health And Disease

Background: Spirometry is an essential tool to evaluate lung function of health and disease. Adaptability of lung and chest among athletes can be assessed by lung function test (LFT). The quest of our study was to evaluate the lung function (LF) of highly trained Indian female weighting athletes, and intended to appraise the adaptation of LF among trained elite athletes.Methods: Top ranked Indian female professional weightlifters (study group, n=6) were recruited for this study. Three out of the six weightlifters were from top ten world ranking of 6th, 7th and 9th. Age matched controls (control group, n=6) were selected for this study. Maximum voluntary ventilation (MVV), vital capacity (VC), forced vital capacity (FVC), percentage of forced expiratory volume in first second (FEV1%) and ratio of forced expiratory volume in first second and forced vital capacity (FEV1/FVC%) have been evaluated as per the ATS/ERS guidelines.Results: Statistically higher significant values of VC and FVC were noted in study group, where as other values (MVV, FEV1% and FEV1/FVC%) found no significant difference between two groups.Conclusions: Power, strength and explosiveness of the skeletal muscles are vital domains in weightlifting sport. Weightlifting is such a sport doesn’t require much ventilatory efforts during training as well as competition. This study clueing that physiological adaptation/ improvement of the pulmonary function (PF) depends on the type of the sport being engaged by the athletes.

Predictors of Long-Term Pulmonary Morbidity in Children with Congenital Diaphragmatic Hernia

2018 ◽  
Vol 29 (01) ◽  
pp. 120-124 ◽  
Author(s):  
Robin Wigen ◽  
Wenming Duan ◽  
Theo Moraes ◽  
Priscilla Chiu
Keyword(s):  
Lung Function ◽  
Pulmonary Function ◽  
Congenital Diaphragmatic Hernia ◽  
Diaphragmatic Hernia ◽  
Pulmonary Function Tests ◽  
Forced Expiratory Volume ◽  
Patch Repair ◽  
Recorded Data ◽  
Pulmonary Morbidity

Purpose The aim is to identify prognostic markers of long-term pulmonary morbidity among congenital diaphragmatic hernia (CDH) survivors. Methods A single-institution, retrospective review was performed on all CDH patients from 2000 and 2012 (REB#1000053383). Liver position, patch use, and pulmonary function tests (PFTs) (forced expiratory volume at 1 second [FEV1] and forced vital capacity [FVC] expressed as mean % predicted + SD) were recorded. Data were analyzed using analysis of variance. Results Patients with acceptable and reproducible PFT (n = 72 for 202 total PFT) with patch repair and liver up (n = 28) had significantly lower FEV1 (72.4 + 17.6) than those with no patch and liver down (n = 98, FEV1= 86.3 + 15.9, p = 0.002). Patients with patch repair and liver down (n = 40) also had significantly lower FEV1 (76.6 + 14.4) than those with liver down and no patch (p = 0.0463). Patients with liver up and patch repair had PFT results consistent with moderate reduction of lung function, while the remainder had mild to no decrease in lung function. All CDH patients older than 14 years had a reduction in FEV1/FVC consistent with obstructive phenotype, with a mean FEV1/FVC = 62.3 for patch repair group and FEV1/FVC = 76.1 in the no patch group. Conclusion Decreased pulmonary function of CDH survivors correlated with the use of patch repair and liver position. CDH lung disease should be monitored in adulthood.

In-brace alterations of pulmonary functions in adolescents wearing a brace for idiopathic scoliosis

2019 ◽  
Vol 43 (4) ◽  
pp. 434-439 ◽  
Author(s):  
Gozde Yagci ◽  
Gokhan Demirkiran ◽  
Yavuz Yakut
Keyword(s):  
Idiopathic Scoliosis ◽  
Pulmonary Function ◽  
Peak Expiratory Flow ◽  
Forced Vital Capacity ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Forced Expiratory Volume ◽  
Pulmonary Functions ◽  
Significant Difference ◽  
Expiratory Flow

Background:Despite the common use of braces to prevent curve progression in idiopathic scoliosis, their functional effects on respiratory mechanics have not been widely studied.Objective:The objective was to determine the effects of bracing on pulmonary function in idiopathic scoliosis.Methods:A total of 27 adolescents with a mean age of 14.5 ± 1.5 years and idiopathic scoliosis were included in the study. Pulmonary function evaluation included vital capacity, forced expiratory volume, forced vital capacity, maximum ventilator volume, peak expiratory flow, and respiratory muscle strengths, measured with a spirometer, and patient-reported degree of dyspnea. The tests were performed once prior to bracing and at 1 month after bracing (while the patients wore the brace).Results:Compared with the unbraced condition, vital capacity, forced expiratory volume, forced vital capacity, maximum ventilator volume, and peak expiratory flow values decreased and dyspnea increased in the braced condition. Respiratory muscle strength was under the norm in both unbraced and braced conditions, while no significant difference was found for these parameters between the two conditions.Conclusion:The spinal brace for idiopathic scoliosis tended to reduce pulmonary functions and increase dyspnea symptoms (when wearing a brace) in this study. Special attention should be paid in-brace effects on pulmonary functions in idiopathic scoliosis.Clinical relevanceBracing seems to mimic restrictive pulmonary disease, although there is no actual disease when the brace is removed. This study suggests that bracing may result in a deterioration of pulmonary function when adolescents with idiopathic scoliosis are wearing a brace.

Antithymocyte Globuline Given as Part of the Conditioning Regimen Has No Impact On Lung Function at 1 Year After Transplantation.

Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 3306-3306
Author(s):  
Filippo Milano ◽  
Margaret A. Au ◽  
H. J. Deeg ◽  
Jason Chien
Keyword(s):  
Stem Cell ◽  
Lung Function ◽  
Pulmonary Function ◽  
Retrospective Analysis ◽  
Conditioning Regimen ◽  
Hematopoietic Stem ◽  
Lung Dysfunction ◽  
Significant Difference ◽  
The Mean ◽  
The Impact

Abstract Abstract 3306 Poster Board III-194 Background Pulmonary dysfunction is common following allogeneic hematopoietic stem cell transplantation (HSCT) and is associated with significant morbidity and mortality. The use of Antithymocyte globuline (ATG) has reduced the incidence of graft versus host disease (GVHD), particularly in its chronic form, but the impact of this approach on the prevention of lung dysfunction is not well characterized. Methods We performed a retrospective analysis of pulmonary function in all patients transplanted from January 2001 through December 2005 following conditioning with oral busulfan (BU) followed by either cyclophosphamide (CY) or fludarabine (FLU) with or without the addition of ATG. Pulmonary function tests (PFTs) were performed per transplant protocol before and around day 80 and 1 year after transplantation. Results Of 406 patients, 13 (3%) were excluded due to lack of pre-transplant PFTs. Seventy five patients received ATG (thymoglobulin, given on days -3 to -1 for total doses of 4.5 – 6 mg/kg), and 318 did not. The median patient age was 49 years for both the ATG (range 9-65) and non-ATG (range 7-66) groups; the median follow-up was 956 (range 19-2071) days and 903 (range 8-2697) days, respectively. The ATG group had proportionally more patients with high risk diseases (62.7% vs 45.7%, p= .03), whereas the use of bone marrow as stem cell source was higher in the non-ATG group (14.6% vs 5.3%, p=.03). The proportion of patients with PFTs at 1 year was similar for both groups (49.3% vs 54.6%, p=.55). No significant statistical differences between the 2 groups were seen in the mean percentage of the predicted values for FEV1, FVC, TLC and DLco at 80 days or 1 year after transplantation. The mean value of FEV1/FVC ratio at 1 year was higher for ATG patients (0.81±0.05 vs 0.77±0.09, p=.003). The mean change in PFT parameters from baseline to 1 year after HSCT also did not show a statistically significant difference between the 2 groups for any PFT parameters except for the FEV1/FVC ratio, which decline was lower in the ATG group (0.4±3.9 vs -2.8±7.3 p=.0002). This difference remained significant in multivariate analysis. The lung function score at 1 year after transplantation was similar in the 2 groups; they also had similar rates of lung function decline (expressed as the annualized rate of FEV1 decline) from baseline to 1 year after HSCT. The risk of developing severe airflow obstruction (AFO) or a restrictive pattern (RP), as well as the cumulative incidence of AFO and RP were not statistically significantly different between the 2 treatment groups at 1 year after HSCT. Conclusions In this retrospective analysis, incorporation of ATG into the HSCT conditioning regimen did not appear to be associated with superior outcome in terms of post transplant pulmonary function. However, further evaluations are needed to better clarify the role that ATG might have in the development of late-term pulmonary complications. Disclosures No relevant conflicts of interest to declare.

scholarly journals Comparison of three respiratory physical therapy techniques and their impact on pulmonary function restoration among cardiac surgery patients in hospital settings

2021 ◽  
Vol 23 (4) ◽  
pp. 531-535
Author(s):  
V. V. Vitomskyi
Keyword(s):  
Cardiac Surgery ◽  
Physical Therapy ◽  
Pulmonary Function ◽  
Vital Capacity ◽  
Physical Therapist ◽  
Forced Expiratory Volume ◽  
Control Group ◽  
Therapeutic Exercises ◽  
Significant Difference ◽  
Respiratory Exercises

The aim. To compare three respiratory physical therapy techniques and their impact on pulmonary function restoration among cardiac surgery patients in hospital settings. Materials and methods. The study involved 126 patients of both sexes who were admitted for cardiac surgery. All the procedures were performed by sternotomy with cardiopulmonary bypass and cardioplegic arrest. The patients were randomly divided (with a ratio of 1:1:1 by envelope method) into the control group (CG, n = 42), incentive spirometry group (ISG, n = 42) and іnspiratory muscle training group (IMTG, n = 42). The examined patients underwent standardized physical therapy (early mobilization; therapeutic exercises; coughing). The groups varied in respiratory therapy. Patients of the ISG group performed additional respiratory exercises using a Tri-Ball respiratory exerciser (three repetitions of 10 forced, full and rapid inspirations through the respiratory exerciser under the supervision of a physical therapist; besides, they were recommended to perform 3 repetitions with 10 inspirations each hour). Patients of the IMTG group performed additional respiratory exercises using Respironics Threshold IMT breathing exerciser, received explanations and recommendations like patients of the ISG group. The pulmonary function test (PFT) was performed for the patients of all groups before the surgery and on the 7 postoperative day. Results. PFT scores did not differ statistically between the groups of patients before the surgery. The three groups of patients had a negative dynamic of all test indicators, except Tiffeneau index. The analysis of PFT final scores did not confirm a significant difference in the studied indicators among the groups: vital capacity (P = 0.599), forced vital capacity (P = 0.393), forced expiratory volume in one second (P = 0.589), peak expiratory flow (P = 0.326), forced inspiratory vital capacity (P = 0.258), peak inspiratory flow (P = 0.569). Conclusions. Statistical analysis of PFT indicators did not reveal any significant differences among the groups of cardiac surgery patients at the preoperative examination and on the 7 postoperative day, despite the differences in postoperative respiratory physical therapy.

scholarly journals Effect of Box Breathing Technique on Lung Function Test

2021 ◽  
pp. 25-31
Author(s):  
Ashfaaq Ahmed ◽  
R. Gayatri Devi ◽  
A. Jothi Priya
Keyword(s):  
Lung Function ◽  
Vital Capacity ◽  
Lung Function Test ◽  
Inhibitory Response ◽  
Forced Expiratory Volume ◽  
P Value ◽  
Significant Difference ◽  
Function Test ◽  
Slow Breathing ◽  
Experimental Training

Background: Box breathing exercise is a technique of slow breathing rhythm also known as square breathing used universally. It increases the performance and concentration level, it also acts as a powerful stress relief. It is tested with a spirometer for the lung function test that measures the airflow of the upper and lower respiratory tract. This method builds up carbon dioxide in blood which calms down and regulates the ANS (Autonomic Nervous System), which enhances the cardio- inhibitory response of the vagus nerve that improves the mood. The main aim of the study was to analyze the effect of box breathing technique on lung function Materials and Methods: The present study was carried out among the participants at the age of 18-25 years from Saveetha Dental College. A total of 30 participants were included in this study (15 males, 15 females). The experimental training procedures consisted of 2 sessions of box breathing day and night for a period of 30 days. Participants were informed of the procedures of the box breathing technique. RMS Helios spirometer was used to measure lung volumes and capacities. Statistics analysis was done using SPSS software, paired t test. P value of less than or equal to 0.05 was considered significant statistically. Results: There was a significant increase among the participants FVC (Forced Vital Capacity), FEV1 (Forced Expiratory Volume), FIVC (Forced Inspiratory Vital Capacity) parameters after 2 sessions on each day of box breathing technique for a period of 30 days. Other parameters increased to 10% but not significantly. Conclusion: The present study illustrates the potential for box breathing practice to improve lung performance and reduce stress in healthy individuals. Despite the significant difference in FVC, FEV, FIVC levels supporting improved lung function, further investigation is needed to delineate mechanisms that underlie these benefits

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