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2.
J Bras Pneumol ; 47(6): e20210286, 2021.
Article in English, Portuguese | MEDLINE | ID: mdl-34932723

ABSTRACT

OBJECTIVE: Obstructive sleep apnea (OSA) is a common disorder associated with a significant economic burden. Continuous positive airway pressure (CPAP) and auto-titrating positive airway pressure (APAP) are recognized therapeutic options in patients with OSA, although treatment costs are higher with APAP. We conducted a study aimed at evaluating the effectiveness and potential cost savings resulting from the implementation of a protocol guiding the transition to CPAP in OSA patients previously treated with APAP. METHODS: This prospective study included patients with OSA under APAP who were followed up at the Sleep Medicine outpatient clinic of a tertiary referral hospital between January 2019 and January 2021. Treatment was switched to CPAP in patients who met the following criteria: satisfactory adaptation and adherence to APAP, residual apnea-hypopnea index (AHI) of < 5/hour, and no relevant air leaks. APAP and CPAP outcomes were compared and an estimate of the savings obtained by the transition from APAP to CPAP was calculated. RESULTS: Ninety-three patients were included in the study. APAP and CPAP were both effective in correcting obstructive events and improving daytime sleepiness. No significant differences were found regarding treatment adherence and tolerance between both PAP modalities. The selection of fixed-pressure CPAP through 90th or 95th percentile APAP pressure proved to be effective and an alternative strategy to titration polysomnography. At the end of this two-year study, the transition from APAP to CPAP enabled savings of at least 10,353€. CONCLUSION: The transition from APAP to CPAP may be an effective, well-tolerated, safe, and cost-saving strategy in patients with OSA.


Subject(s)
Sleep Apnea, Obstructive , Humans , Continuous Positive Airway Pressure , Cost-Benefit Analysis , Prospective Studies , Sleep Apnea, Obstructive/therapy
3.
Plants (Basel) ; 10(3)2021 Mar 07.
Article in English | MEDLINE | ID: mdl-33800079

ABSTRACT

Berlengas archipelago is a UNESCO world heritage site and the only location where Armeria berlengensis is found. This species faces various threats, namely, human disturbance, the presence of Carpobrotus edulis, yellow-legged gull, common-rabbit, and black-rat populations. Thus, exclusion areas were installed, which blocked the access of most Gulls, aiming to promote the recovery of A. berlengensis. Additionally, rabbits and rats were removed from the island. After six years of surveys, there has been an increase in the number of individuals of A. berlengensis in the exclusion areas, and a clear shift in the size structure of the A. berlengensis population. Significant changes in the height and diameter of the individuals were also noted. These findings indicate that the population of A. berlengensis is changing and becoming a healthier population. Principal component analysis results show a straightforward dissimilarity between the areas with A. berlengensis and those without the species and allowed the clustering of two groups: the rupicolous species and the nitrophilous species. A. berlengensis produces few seeds (seed set 3.4%), which raises concern regarding the long-term survival of the species. Thus, further conservation efforts must be implemented, such as the control of invasive species, gulls, and ruderals, to allow for the recovery of A. berlengensis.

4.
Clin Respir J ; 10(4): 524-9, 2016 Jul.
Article in English | MEDLINE | ID: mdl-25532419

ABSTRACT

Metastatic lesions in the large bowel are rare. A case of single symptomatic colonic metastasis as first presentation of pulmonary mucoepidermoid carcinoma (MEC) is described. A 62-year-old male was admitted with constipation and rectal bleeding. Colonoscopy revealed extrinsic compression at sigmoid colon, and microscopy suggested a secondary origin. Subsequent chest computed tomography confirmed a right perihilar mass invading posterior mediastinum, carina and esophagus, and also a second consolidation on right lower lobe and ipsilateral mediastinal and subcarinal lymph nodes. After pathologic evaluation of a transthoracic biopsy specimen, the diagnosis of pulmonary high-grade MEC, stage IV (T4, N3, M1b - 7th ed. TNM), was established. Chemotherapy with carboplatin and paclitaxel was initiated, and disease progression occurred after two cycles with increasing colonic mass. Palliative surgery was rejected because of advanced stage, and the patient was submitted to palliative pelvic radiotherapy. Second-line chemotherapy with gemcitabine was initiated, but clinical status worsened and the patient died because of severe lung failure. Clinical, pathological and therapeutic aspects of this uncommon site of extrathoracic metastatic disease are discussed, emphasizing the important contribution of special stains and immunohistochemistry to the diagnosis.


Subject(s)
Carcinoma, Mucoepidermoid/diagnosis , Colonic Neoplasms/diagnosis , Colonic Neoplasms/secondary , Lung Neoplasms/diagnosis , Carcinoma, Mucoepidermoid/therapy , Colonic Neoplasms/therapy , Colonoscopy , Fatal Outcome , Humans , Lung Neoplasms/therapy , Male , Middle Aged , Neoplasm Staging , Treatment Failure
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