Evaluation of diaphragm thickness and function with ultrasound technique and comparison with spirometry in stable chronic obstructive pulmonary disease.

Introduction: Although the pathophysiological mechanisms involved in the development of dyspnea and poor exercise tolerance in chronic obstructive pulmonary disease (COPD) patients are complex, diaphragmatic dysfunction plays a significant role. The purpose of this study was to compare the diaphragm thicknesses and diaphragm excursion values measured by M-mode and B-mode ultrasonography with COPD patients and healthy volunteers and to evaluate the contribution of ultrasound use in determining disease severity in COPD. Materials and Methods: Sixty-seven COPD patients and 53 healthy volunteers were included in the study. Diaphragm thickness and mobility measurements were conducted and recorded with B mode and M mode ultrasound. Result: It was determined that the diaphragm thickness measured by B mode ultrasound in deep inspiration and deep expiration was significantly reduced in patients with COPD, compared to the ones without (p= 0.004, p= 0.00). Diaphragm excursion assessed by M mode ultrasound was significantly less in the COPD group. Conclusions: In this study, we concluded that the patients with COPD develop diaphragmatic dysfunction with reduced diaphragm thickness and mobility. The use of ultrasound in COPD may contribute to clinical practice, yet further studies are needed.

The role of neutrophil-lymphocyte ratio and platelet-lymphocyte ratio in exacerbation of chronic obstructive pulmonary disease.

OBJECTIVE: To investigate whether neutrophil-lymphocyte ratio and platelet-lymphocyte ratio like C-reactive protein can be used as markers of acute exacerbation in chronic obstructive pulmonary disease. METHODS: The cross-sectional study was conducted at Konya Training and Research Hospital, Konya, Turkey, between December 2012 and April 2013, and comprised patients with stable and acute chronic obstructive pulmonary disease. All participants were male and aged >40 years. Patients were included prospectively from outpatient and emergency units according to recent Initiative for Chronic Obstructive Lung Disease 2013 criteria. C-reactive protein, neutrophil-lymphocyte ratio and platelet-lymphocyte ratio of each group were measured and compared. RESULTS: Of the 94 patients, 48(51%) had stable disease with a mean age of 66.65±10.17 years (range: 49-79 years), and 46(49%) had acute exacerbation with a mean age of 62.67±9.41 years (range: 48-92 years). Mean levels of C-reactive protein, neutrophil-lymphocyte ratio and platelet-lymphocyte ratio were 5.04±6.65, 2.75±1.11 and 137.39±65.42 for stable disease, and 57.68±58.49, 7.99±5.72 and 231.18±141.36 for those with acute exacerbation (p=0.001). Cut-off values were neutrophil-lymphocyte ratio =3.3, platelet-lymphocyte ratio =150, and C-reactive protein =5 mg/dl. Positive predictive values for C-reactive protein, neutrophil-lymphocyte ratio and platelet-lymphocyte ratio were determined as 82% (odds ratio: 27.4); 85% (odds ratio: 32.5); and 73% (odds ratio: 6.3) . Receiver-operating characteristic curve showed a significantly more area under curve of neutrophil-lymphocyte ratio (0.88) compared to platelet-lymphocyte ratio (0.74) (p<0.05). CONCLUSIONS: During acute exacerbations of chronic obstructive pulmonary disease, neutrophil-lymphocyte ratio may be used as an easily measurable, available and cost-effective parameter with high prognostic accuracy in clinical practice.

Gender-related changes of the epicardial fat thickness and leptin in obstructive sleep apnea.

BACKGROUND: Epicardial fat thickness (EFT), an indicator of visceral obesity, and leptin are 2 novel markers for studying the obstructive sleep apnea (OSA) population. This study aimed to investigate the effects of gender on leptin levels and EFT, and the relation with OSA severity. METHODS: A total of 149 patients with OSA (female/male 55/94 and mean age 50.8 ± 9.2 years) and 50 control patients (female/male 24/26 and mean age 48.9 ± 8.8 years) were included in the study. The study population was divided into 4 groups according to apnea/hypopnea index (AHI) as control (AHI <5), the mild OSA (AHI 5-14), the moderate OSA (AHI 15-29), and the severe OSA (AHI ≥30). EFT was obtained from parasternal long-axis and parasternal short-axis echocardiographic images. RESULTS: Leptin levels among females were significantly higher than among males (10.5 [7.8] vs. 5.4 [4.5] ng/mL, P = 0.001, respectively). Among women, leptin levels were significantly higher in the severe OSA group compared to the control group (9.8 [9.0] vs. 15.5 [10.1] ng/mL, P = 0.05, respectively). Conversely, no relation was observed between OSA severity and the leptin levels among men. EFT was not significantly different between the 2 genders (P > 0.05). EFT was thicker in the severe OSA group than in the control and mild OSA groups among women, whereas EFT was not changed according to OSA severity among males (P > 0.05). CONCLUSION: Leptin and EFT may be a valuable parameter in the evaluation of OSA severity in women than in men.

Prognostic value of neutrophil to lymphocyte ratio in patients with acute pulmonary embolism: a restrospective study.

BACKGROUND: Acute pulmonary embolism (PE) is a serious clinical condition characterised by a high mortality rate. Previous studies showed that leukocytosis was associated with recurrences of venous thromboemboli, major bleeding and increased mortality. The aim of the present study was to investigate the prognostic value of neutrophil to lymphocyte ratio (NLR) in patients with acute PE during short term follow-up. METHOD: A total of 640 patients were screened by I26 code of ICD-9 and 359 patients were included as cases of confirmed acute PE. Admission blood counts and clinical data were obtained from medical charts. The predictors of 30-day mortality were examined. RESULTS: Fifty-one out of 359 patients (14.2%) included in the study died during 30 days follow-up. In multivariate Cox regression analysis systolic blood pressure (HR:0.97 (0.94-0.99 CI95%), p=0.019), diabetes mellitus (HR:3.3 (1.30-8.39 CI95%), p=0.012), CK-MB(HR:1.03 (1.01-1.06 CI95%), p=0.024) and NLR (HR:1.03 (1.01-1.06 CI95%), p=0.008) were predictors of 30-day mortality. An optimal cut-off value of NLR was determined as 9.2 by using ROC curve. Hazards ratio of NLR>9.2 was found to be 3.60 (1.44-9.18 CI95%, p=0.006). NLR>9.2 had a sensitivity, specificity, negative predictive value, and positive predictive value of 68.6%, 80.5%, 93.9% and 36.5%, respectively. CONCLUSION: NLR on hospital admission may be a predictor of 30-day mortality in acute PE. Since complete blood count is a part of the routine laboratory investigation in the most hospitalised patients use and preliminary promising results of this study, NLR should be investigated in future prospective randomised trials regarding prognostic value in acute PE.

The relation between Lp-PLA2 levels with periodic limb movements.

OBJECTIVE: Lipoprotein-associated phospholipase A2 (Lp-PLA2), a novel marker of vulnerable plaque to prone rupture, is a predictor of both cardiovascular event and cerebrovascular event, and highly sensitive-C-reactive protein (hs-CRP) is an acute-phase response protein implicated in a broad range of cardiovascular diseases. We aimed to examine the association between periodic limb movements in sleep (PLMs) with circulating Lp-PLA2 and hs-CRP levels in patients with PLMs. METHODS: Seventy patients with newly diagnosed PLM with polysomnography were enrolled this study. Patients were divided into two groups according to PLM index (normal PLM index, <15; elevated PLM index, ≥15). Lp-PLA2 and hs-CRP concentrations were measured in serum samples by turbidimetric and nephelometric methods, respectively. The concentrations of these parameters were compared between two groups and correlation analysis was performed between PLMs and Lp-PLA2 and hs-CRP levels. RESULTS: Lp-PLA2 levels and hs-CRP were significantly increased in elevated PLM index group compared with the control group (206.8 ± 78.1 vs 157.8 ± 56.7, p = 0.003, and 4.2 ± 3.5 vs 2.4 ± 2.1, p = 0.02, respectively). PLM index was positively correlated with Lp-PLA2 levels (r = 0.40, p = 0.001) and hs-CRP (r = 0.24, p = 0.05). In the linear regression model, Lp-PLA2 was an independent predictor of PLM index (R(2) = 0.36, p = 0.005). CONCLUSION: This study demonstrated an independent linear relation between PLM index and Lp-PLA2. In addition, it was seen increased Lp-PLA2 and hs-CRP levels in patients with elevated PLM index. Based on these results, we can suggest that risk of vascular events may be increased in patients with PLMs and with increased PLM index.

A cross-sectional observational study to investigate daily symptom variability, effects of symptom on morning activities and therapeutic expectations of patients and physicians in COPD-SUNRISE study.

Chronic obstructive pulmonary disease (COPD) is a lung disease characterized with limitation of airflow that is not completely reversible, progressive deterioration of airways and systemic inflammation. This study has been planned to determine daily symptom variability of patients, expectations of patient and physicians from treatment and patient profiles. A total of 514 patients with COPD from 25 centers were included in this national, multicenter, cross-sectional observational study. Data regarding demographic features, concomitant diseases, history and treatment of COPD and expectations of patients and physicians were all obtained in a single visit. Mean [standard deviation (SD)] age of the patients was 64.1 (9.5) years; age range was 41-92 years, 50% of the patients were younger than 65 years and 91% were males. Educational level of the patients was at least primary school in 80.2%; and 54.3% (30.4%) of the patients had at least one concomitant disease, particularly a cardiovascular disease. Mean (SD) duration of having COPD was 5.4 (4.6) years. The majority of patients were at moderate (43.2%) and severe (35.0%) COPD stages and one or more exacerbations per year was determined in 71%. Inhaled beta-2 agonists (84.2%), inhaled steroids (76.3%) and inhaled long-acting anti-cholinergics (70.0%) were the most commonly used medications. Dyspnea (99.0%), sputum production (92.8%) and wheezing (90.5%) were the most common symptoms, and symptom variability for dyspnea (41.1%), sputum production (61.0%) and cough (53.5%) were seen the most in the morning hours (p< 0.001). Most commonly affected morning activity was climbing up/down the stairs (point of effect: 6.7), followed by wearing socks/shoes (point of effect: 4.3) and showering/bathing (point of effect: 4.2) by COPD. Major treatment expectations of patients were greater symptomatic relief (82.3%) and greater mobility (70.0%), faster symptomatic relief (61.1%) and improvement in morning activities (59.3%); while major treatment expectations of physicians included increased quality of life (100.0%) and decreased morbidity (96.0%). Quitting smoking was the most commonly recommended (88.3%) and implemented (67.9%) non-drug protective approach aimed at decreasing the frequency of exacerbations. Consequently, our results demonstrate that COPD is not a disease of only the elderly, is an important healthcare issue that often disrupt daily living of the patients due to inadequate disease awareness leading to overlooking of the symptoms by patient and physicians, and that a patient-centered approach based on the living standards, life expectancies and preferences of patients was crucial in patient management.

Pulmonary sclerosing pneumocytoma, a rare tumor of the lung.

Pulmonary sclerosing pneumocytoma (PSP) is a rare benign pulmonary tumor. Usually diagnosed incidentally by chest X-ray or chest CT scan. We presented a case of PSP in a 50-year-old woman who was diagnosed with a nodular lesion in the right lung. Thoracotomy was used for the excision of the mass. Pathologic examination revealed no malignant cells. Immunohistochemical studies were performed. TTF-1 was (+), Napsin-A was found to be weakly (+). After surgical resection, the patient was followed up.

(18)F-FDG PET/CT mean SUV and metabolic tumor volume for mean survival time in non-small cell lung cancer.

OBJECTIVE: The study was designed to determine the relationship between survival time of standardized uptake value (SUVmax and SUVmean) and metabolic tumor volume (MTV) in patients with non-small cell lung cancer (NSCLC), and examine the impact of demographic, clinical, and radiological data of these patients on survival. MATERIALS AND METHODS: We performed a retrospective analysis of the records of 79 patients with NSCLC who presented to our hospital between May 2010 and March 2013, received a final diagnosis, and underwent F-FDG PET/CT for staging. Clinical, radiological, and F-FDG PET/CT parameters with an impact on prognosis such as the SUVmax of the primary tumor as calculated by the volumetric region of interest in the F-FDG PET/CT scans during initial diagnosis, mean SUV of the tumor, and MTV obtained with a threshold of SUVmax greater than 2.5 were recorded and statistically analyzed. A statistical analysis was carried out based on the clinical, radiological, and PET/CT findings of the patients who were divided into 2 groups: survivors and nonsurvivors. RESULTS: Seventy patients (88.6%) were men, and 9 (11.4%) were women. The mean age was 63.65 ± 11.51 years in the nonsurvivor group (n = 40) versus 62.74 ± 10.60 years in the survivor group (n = 39) (Table 1). The mean survival time from diagnosis was 7.9 ± 6.52 months in the nonsurvivor group versus 14.09 ± 7.41 months in the survivor group. The mean survival time was 12.9 ± 7.9 months for those aged 60 or younger, whereas it was 9.9 ± 7.2 years for those aged 60 or older. According to the Cox regression analysis, higher MTV [relative risk (RR), 1.006; P = 0.03] and mean SUVmax (mSUV) (RR, 1.302; P = 0.03) had a significant impact on shortening of the mean survival time. However, no statistical significance was reached for SUVmax measurements (RR, 0.970; P = 0.39). Furthermore, there was a significant relationship between increased tumor size (<2 cm, 2-4 cm, and ≥4 cm) and shortened mean survival time (P = 0.03). CONCLUSION: The present study showed that MTV and mSUV of FDG PET/CT scans of the tumor, but not SUVmax, had a significant impact on survival time of patients with NSCLC. Based on this result, we believe that we might have more accurate information about the survival time of our patients if we also evaluate mSUV and MTV in combination with mSUV, which is frequently used for diagnosis and monitoring of patients with NSCLC during our daily practice.

Evaluation of choroidal thickness in patients with obstructive sleep apnea/hypopnea syndrome.

Purpose: To compare the subfoveal choroidal thickness (SFCT) of patients with different severities of obstructive sleep apnea/hypopnea syndrome (OSAHS) and normal controls via enhanced depth imaging optical coherence tomography (EDI-OCT). Methods: In this retrospective, case-control study, 49 eyes from 49 patients that had undergone polysomnography were included. SFCT of the horizontal and vertical line scans were manually measured for all eyes based on EDI-OCT images. Two separate analyses were performed according to different apnea/hypopnea index (AHI) groupings. Initial testing was conducted using non-OSAHS, mild OSAHS (5≤AHI<15), moderate OSAHS (15≤AHI<30), and severe OSAHS (AHI≥30) patient groupings, while secondary testing used non-OSAHS, mild OSAHS (5≤AHI<15), and moderate/severe OSAHS (AHI≥15) patient groupings. Results: The mean SFCT was 314.5 µm in the non-OSAHS patients (n=14), 324.5 µm in the mild OSAHS patients (n=15), 269.3 µm in the moderate OSAHS patients (n=11), and 264.3 µm in the severe OSAHS patients (n=9). SFCT between the four groups revealed no significant differences despite a trend towards slight thinning in the severe group (P=0.08). When the moderate and severe groups were merged and compared with the mild OASHS and non-OSAHS groups, SFCT of the moderate/severe group was found to be significantly thinner than that of the mild group (P=0.016). A negative significant correlation was found between SFCT and AHI in OSAHS patients (r=0.368, P=0.033). Conclusions: In patients with moderate/severe OSAHS, EDI-OCT revealed a thinned SFCT. Other accompanying systemic or ocular diseases may induce perfusion and oxygenation deficiency in eyes of OSAHS patients. Further studies are required in order to determine the exact relationships between ocular pathologies and clinical grades of OSAHS.

Homocysteine levels in patients with masked hypertension.

OBJECTIVE: Masked hypertension is a clinical condition, the importance of which is agreed in recent years and which is characterized by increased cardiovascular mortality and morbidity and is thought to be important endothelial dysfunction in the pathophysiology. Plasma total homocysteine levels are accepted as a major independent biomarker for endothelial dysfunction and/or a contributor to hypertension and coronary artery disease. In this study, we aimed to measure the level of serum homocysteine and to evaluate the relationship between the parameters of ambulatory blood pressure monitoring in patients with masked hypertension. METHODS: This cross-sectional observational study included 37 subjects with normal blood pressure, 30 with masked-hypertension and 27 patients with obvious hypertension. Masked hypertension (MHT) was defined as office blood pressure <140/90 mm Hg and mean daytime ambulatory systolic blood pressure in 24 hours monitoring ≥135/85 mm Hg. Homocysteine levels of the subjects were measured by using HPLC system with fluorescent detector. Lipid parameters were measured by routine methods. Mann-Whitney U test was used for statistical analysis. RESULTS: In the analysis of homocysteine, it was observed that there was no difference between the control group and patients with MHT. Patients with high blood pressure showed higher homocysteine levels when compared to MHT (p=0.02). Homocysteine levels showed a weak positive correlation with average systolic blood pressure (r=0.335, p=0.043). Homocysteine levels were higher in smokers than non-smokers. compared with non-smokers group in all participants (p=0.036). CONCLUSION: We have reached the opinion that in the individuals with no obvious health problems but with MHT, homocysteine levels may not have any significant effect upon high blood pressure levels.

The use of axial diameters and CT obstruction scores for determining echocardiographic right ventricular dysfunction in patients with acute pulmonary embolism.

PURPOSE: To evaluate the accuracy of cardiac computed tomography (CT) parameters and pulmonary artery (PA) obstruction (OS) scores in determining the echocardiographic right ventricular dysfunction (RVD) in hemodynamically stable patients with acute pulmonary embolism (PE). MATERIALS AND METHODS: A total of 120 patients with acute PE were included in the study. Right ventricle/left ventricle ratio (RV/LV); PA axial diameter; superior vena cava (SVC) axial diameter; and Ghanima, Miller, Qanadli, and Mastora obstruction scores were obtained using CT. RVD was assessed by echocardiography. The patients were divided into two groups based on the presence or absence of RVD. RESULTS: RV/LV ratio, SVC axial diameter, PA axial diameter, and Miller, Qanadli, and Mastora scores were significantly increased in the RVD group. Multivariate logistic regression analysis showed that RV/LV ratio [OR 6.36 (2.02-279.46 95 % CI), p = 0.01] and PA axial diameter [OR 5.02 (1.02-1.26 95 % CI), p = 0.03] were independent predictors of echocardiographic RVD. Predictive values of these parameters were improved when combined with other intragroup cutoff values. A cutoff value for the RV/LV ratio of >1.08 had 81.43 % sensitivity, 52.08 % specificity, 71.3 PPV, and 65.8 NPV for prediction of RVD. CONCLUSION: Tomographic axial diameters enable more accurate predictions of RVD than OS scores do.

Obstructive sleep apnea syndrome induced by laryngeal lesions: two cases.

We describe 2 cases of obstructive sleep apnea syndrome (OSAS) that were found to be caused by the presence of laryngeal masses. Both patients presented with a long-standing history of snoring, gasping for air while sleeping, excessive daytime sleepiness, and morning headaches. In both patients, the lesions were discovered by fiberoptic nasopharyngoscopy. Patient 1, a 46-year-old man, declined surgery, and his lesions (and OSAS) resolved spontaneously in 4 months. Patient 2, a 39-year-old man, did undergo excision of his mass, and he also experienced an alleviation of OSAS.

Comparison between intermittent intravenous analgesia and intermittent paravertebral subpleural analgesia for pain relief after thoracotomy.

OBJECTIVE: In the present prospective double-blind randomized trial, the effects of intermittent paravertebral subpleural bupivacaine and morphine on pain management in patients undergoing thoracotomy were evaluated and compared with intermittent systemic analgesia. METHODS: Forty-five patients undergoing elective lobectomy were included in the present study. Three randomized groups consisting of 15 patients each were compared. Those in the control group were administered intravenously with tramadol 100 mg plus metamizol 1000 mg every 4 h for 3 days. We placed the catheter just below the parietal pleura along the paravertebral sulcus at the level of T5-T7. At the end of the operation and every 4 h thereafter, the patients received either 1.5 mg kg(-1) bupivacaine (bupivacaine group) or 0.2 mg kg(-1) morphine sulfate (morphine group) with paravertebral subpleural catheter for 3 days. Data regarding demographics, visual analog pain scores, need for supplementary intravenous analgesia, pulmonary function tests, and postoperative pulmonary complications were recorded for each patient. RESULTS: Visual analog pain scores (visual analog scale (VAS)) were lower in the morphine and bupivacaine groups compared with control group at all postoperative time points. The mean postoperative VAS was significantly different between the control and bupivacaine groups at postoperative hour 12, the control and morphine groups at postoperative hours 6, 12, 48, and 72, and the bupivacaine and morphine groups at postoperative hours 6 and 24 (p<0.05). In the control group, additional analgesic requirement was significantly higher than in the bupivacaine and morphine groups (p<0.05). Postoperative pulmonary complications occurred in three patients (20%) in the control group, in two patients (13%) in the bupivacaine group, and in one (6%) in the morphine group. CONCLUSIONS: The patients undergoing lung resection through a thoracotomy were observed with reduced postoperative pain and better surgical outcomes with respect to the length of hospital stay, postoperative forced expiratory volume in the first second, pulmonary complications, and need for bronchoscopic management, when paravertebral subpleural analgesia was induced by morphine.

Evaluation of choroidal thickness in patients with obstructive sleep apnea/hypopnea syndrome / Avaliação da espessura da coroide em pacientes com síndrome da apnéia/hipopnéia obstrutiva do sono

Purpose: To compare the subfoveal choroidal thickness (SFCT) of patients with different severities of obstructive sleep apnea/hypopnea syndrome (OSAHS) and normal controls via enhanced depth imaging optical coherence tomography (EDI-OCT). Methods: In this retrospective, case-control study, 49 eyes from 49 patients that had undergone polysomnography were included. SFCT of the horizontal and vertical line scans were manually measured for all eyes based on EDI-OCT images. Two separate analyses were performed according to different apnea/hypopnea index (AHI) groupings. Initial testing was conducted using non-OSAHS, mild OSAHS (5≤AHI<15), moderate OSAHS (15≤AHI<30), and severe OSAHS (AHI≥30) patient groupings, while secondary testing used non-OSAHS, mild OSAHS (5≤AHI<15), and moderate/severe OSAHS (AHI≥15) patient groupings. Results: The mean SFCT was 314.5 μm in the non-OSAHS patients (n=14), 324.5 μm in the mild OSAHS patients (n=15), 269.3 μm in the moderate OSAHS patients (n=11), and 264.3 μm in the severe OSAHS patients (n=9). SFCT between the four groups revealed no significant differences despite a trend towards slight thinning in the severe group (P=0.08). When the moderate and severe groups were merged and compared with the mild OASHS and non-OSAHS groups, SFCT of the moderate/severe group was found to be significantly thinner than that of the mild group (P=0.016). A negative significant correlation was found between SFCT and AHI in OSAHS patients (r=0.368, P=0.033). Conclusions: In patients with moderate/severe OSAHS, EDI-OCT revealed a thinned SFCT. Other accompanying systemic or ocular diseases may induce perfusion and oxygenation deficiency in eyes of OSAHS patients. Further studies are required in order to determine the exact relationships between ocular pathologies and clinical grades of OSAHS. .

Objetivo: Comparar a espessura da coróide subfoveal (subfoveal choroidal thickness - SFCT) de pacientes com diferentes gravidades de síndrome de apnéia/hipopnéia obstrutiva do sono (obstructive sleep apnea/hypopnea syndrome - OSAHS) e controles normais por meio da tomografia de coerência óptica com profundidade de imagem aprimorada (enhanced depth imaging optical coherence tomography - EDI-OCT). Métodos: Neste estudo retrospectivo caso-controle, foram incluídos 49 olhos de 49 pacientes submetidos a polissonografia. A espessura da coroide subfoveal nas linhas horizontais e verticais de rastreamento foi medida manualmente em todos os olhos, com base nas imagens de EDI-OCT. De acordo com o índice de apnéia/hipopnéia (AHI), duas análises separadas foram realizadas: com dados de pacientes sem OSAHS, com OSAHS leve (5≤AHI<15), com OSAHS moderado (15≤AHI<30) e com OSAHS grave (AHI≥30) e com dados de pacientes sem OSAHS, com OSAHS leve (5≤AHI<15) e com OSAHS moderada e grave (AHI≥15). Resultados: A média de SFCT foi de 314,5 μm nos pacientes sem OSAHS (n=14), 324,5 μm em pacientes com OSAHS leve (n=15), 269,3 μm em pacientes com OSAHS moderada (n=11) e 264,3 μm em pacientes com OSAHS grave (n=9). Não houve diferença significativa entre a SFCT dos quatro grupos, apesar do discreto afinamento no grupo severo (p=0,08). Quando os grupos moderados e graves foram fundidos e comparados com os grupos sem OSAHS e com OSAHS leves, SFCT do grupo moderado/ grave foi significativamente mais fino do que o do grupo leve (p=0,016). Foi encontrada uma correlação negativa significativa entre SFCT e AHI em pacientes com OSAHS (r=0,368, p=0,033). Conclusões: Em pacientes com OSAHS moderada/grave, a EDI-OCT revelou um SFCT afinado. Outras doenças sistêmicas ou oculares associadas podem induzir a deficiência ...