Risk Factors of Spontaneous Pneumothorax in Kuwait

Ayed, Adel K.; Bazerbashi, Samer; Ben-Nakhi, Muneera; Chandrasekran, Chezhian; Sukumar, Murgan; Al-Rowayeh, Aiman; Al-Othman, Mohammed

doi:10.1159/000094266

Cited by 30 publications

(35 citation statements)

References 24 publications

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“…A seasonal or monthly correlation of the incidence of PSP has been identified in our study, similar to the study of Ayed et al [17]. However, we discovered in our study that although the PSP occurrence peaked in autumn, the maximum monthly occurrence was in April, as reported by Accard et al [18].…”

Section: Discussionsupporting

confidence: 92%

Climatic Conditions and the Onset of Primary Spontaneous Pneumothorax: An Investigation of the Influence of Solar Terms

Zhang¹,

Gao

Fu³

et al. 2012

Med Princ Pract

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Objective: To study the correlation between climatic changes and the development of primary spontaneous pneumothorax (PSP). Subjects and Methods: We retrospectively studied the relationship between 337 patients with conservatively treated PSP and meteorological conditions during a 3-year period in the urban area of Xi’an, China. The comparison was made depending on solar terms and on different aspects of atmospheric pressure, outdoor temperature, relative humidity, and wind speed. Results: Significant differences were found between PSP and non-PSP days depending on daily mean values of outdoor temperature and atmospheric pressure (p = 0.001 and p < 0.001, respectively). However, no obvious differences of meteorological factor variations between the ‘PSP day’ and the ‘pre-PSP day’ on days with and without PSP were found. The occurrence of PSP was associated with the solar terms Spring Equinox (p < 0.05) and End of Heat (p < 0.01). Conclusion: Among the factors examined in our study, daily mean outdoor temperature and atmospheric pressure showed a strong correlation with the occurrence of PSP. The solar terms Spring Equinox and End of Heat were found to be closely related with PSP development, which shed light on a new way for PSP incidence evaluation.

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Section: Discussionsupporting

confidence: 92%

Climatic Conditions and the Onset of Primary Spontaneous Pneumothorax: An Investigation of the Influence of Solar Terms

Zhang¹,

Gao

Fu³

et al. 2012

Med Princ Pract

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“…The recurrence risk seems to be increased by multiple factors which if known, allow considering from the first episode, a preventive treatment more adapted, especially medical talcage or surgical care, which can reduce the recurrence risk and the réhospitalisationcost.In this work, we found that actif smoking, associated to the cannabis was the major risk factors of recurrence. This finding was also demonstrated in other works [2,3,4,5]. The association of PNX and smoking was explained by inflammatory phenomena, induced by tobacco smoke, leading to an alveolar overdistentionandairentrapment,increasing the risk of PNX occurrence as well as its recurrence [5].…”

Section: Discussion:-supporting

confidence: 78%

Factors Predicting Pneumothorax Reccurence.

Moubachir¹,

Janah²,

Jabri³

et al. 2017

IJAR

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Summary:Recurrence is the main risk of progression of spontaneous pneumothorax (PNX).The recurrence rate varies according to the authors between 20 and 60%. To determine the factors predicting recurrence of pneumothorax in our population, a retrospective analytical study was conducted over a period of five years between April 2010 and 2016, covering 46 cases of patients hospitalized for recurrentspontaneous pneumothorax. The smoking status of patients, the profession and the non-respect of hygiene rules remain in our context the main predictive factors for recurrence. …………………………………………………………………………………………………….... Introduction:-The PNX is defined as the presence of air in the pleural space. It'sa frequent pathologyof which the recurrence is the main evolutive risk, life threatening of the patient. The risk is increased by a variety of factors, which the identification helps to indicate some preventive measures. Materials and methods:-It's a retrospective analytical studyover a five-year period, between April 2010 and 2016, conducted on 46 files of patients hospitalized for spontaneous pneumothorax recurrence. The PNX is considered primary or secondary depending on the existence or not of an underlying respiratory pathology. Excluded from the study, traumatic PNX, iatrogenic and the patients who kept a detachment on the first episode. The objective of our work is to specify the recurrence predictive factorsin our population. Results:-The recurrent PNX present 19% (46 cases) of the whole hospitalized PNX during the study period. The average age was of 42 years old with a male dominance (44 men for 2 women). The active smoking was noted in 77% of patients (35 cases) with an average of 39 pack-years of cigarettes, associated to cannabis in 32% (15 cases). The average age of the beginning of toxic habits was 18 years old with extreme between 14 and 22 years old. In 60% of cases, patients had job requiring important physical efforts (butcher, mechanic) with impossibility of changing their job, which was linked to the recurrence in 87% (23 cases). In their medical history, 20% of patients (9 cases) were followed for chronic obstructive pneumonia, two patients (4%) were having uncontrolled asthma, five (11%) were treated for pulmonary tuberculosis, one patient had a cardiopathy and another one was followed for Behcet disease.The Thoracic CT-scan realized remotelyfrom the PNX episode in 55% of patients (25 cases) had objectivated pulmonary emphysema in 53% (24 cases), sequalae cavities in 7% (15 cases) and blebs in 9 cases (19%). The PNX was considered primary in 73% and secondary in 27%. The average between the two episodes was

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“…Nevertheless, additional reports reached different conclusions, showing peaks of SPs during wintertime, in particular from November to February, and linking these findings with an increase in viral upper airways infection [25,28]. All the aforementioned evidence has been collected in temperate climate, whereas in subtropical and equatorial areas an increased incidence of SPs has been observed during the hottest months [22,29]. Other studies also showed a uniform distribution of SPs during the year [26,30], occasionally with slight increase overlapping with sudden climate changes [31][32][33].…”

Section: Discussionmentioning

confidence: 99%

Incidence of primary spontaneous pneumothorax is not associated with microclimatic variations. Results of a seven-year survey in a temperate climate area

Comelli

Bologna

Ticinesi

et al. 2017

Monaldi Arch Chest Dis

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Some diseases, such as renal colic and atrial fibrillation, display an association with microclimatic variations. In particular, despite a correlation has been reported between incidence of primary spontaneous pneumothorax (PSP) and meteorological variations, the evidence remains poor and conflictual. The aim of this study was to assess the influence of day-by-day meteorological variations on the number of visits for PSP in the Emergency Department (ED). All PSP cases were retrieved from the hospital database from January 2008 to December 2014. For all the observational days, meteorological data about the Parma Province were obtained from the Environment and Climate Regional Agency. The correlation between ED visits for PSP and variation of air temperature (T°), atmospheric pressure (hPa) and humidity (%) was then tested. The chronological data of all the visits for PSP were correlated with climate data by univariate linear regressions analysis. A total number of 608.215 ED visits were recorded during the observational period, with an average of 238 patients per day. Overall, 257 PSP cases were observed (mean age 37±21 years), 79% males and 21% females. No significant correlation between average daily visits for PSP and daily change of average temperature, humidity, or atmospheric pressure was observed throughout the observational period (p>0.05 for all). The results of the study show that the incidence of PSP is not significantly associated with changes of microclimatic variables.

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Risk Factors of Spontaneous Pneumothorax in Kuwait

Cited by 30 publications

References 24 publications

Climatic Conditions and the Onset of Primary Spontaneous Pneumothorax: An Investigation of the Influence of Solar Terms

Climatic Conditions and the Onset of Primary Spontaneous Pneumothorax: An Investigation of the Influence of Solar Terms

Factors Predicting Pneumothorax Reccurence.

Incidence of primary spontaneous pneumothorax is not associated with microclimatic variations. Results of a seven-year survey in a temperate climate area

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