Severe Asthma Network Italy Definition of Clinical Remission in Severe Asthma: A Delphi Consensus

Severe asthma affects about 10% of the population with asthma and is characterized by low lung function and a high count of blood leukocytes, mainly eosinophils. Various definitions are used in clinical practice and in the literature to identify asthma remission: clinical remission, inflammatory remission, and complete remission. This work highlights a consensus for asthma remission using a Delphi method. In the context of the Severe Asthma Network Italy, which accounts for 57 severe asthma centers and more than 2,200 patients, a board of six experts drafted a list of candidate statements in a questionnaire, which has been revised to minimize redundancies and ensure clear and consistent wording for the first round (R1) of the analysis. Thirty-two statements were included in the R1 questionnaire and then submitted to a panel of 80 experts, which used a 5-point Likert scale to measure agreement regarding each statement. Then, an interim analysis of R1 data was performed, and items were discussed and considered to produce a consistent questionnaire for round 2 (R2) of the analysis. Then, the board set the R2 questionnaire, which included only important topics. Panelists were asked to vote on the statements in the R2 questionnaire afterward. During R2, the criteria of complete clinical remission (the absence of the need for oral corticosteroids, symptoms, exacerbations or attacks, and pulmonary function stability) and those of partial clinical remission (the absence of the need for oral corticosteroids, and two of three criteria: the absence of symptoms, exacerbations or attacks, and pulmonary stability) were confirmed. This Severe Asthma Network Italy Delphi analysis defined a valuable and independent tool that is easy to use, to test the efficacy of different treatments in patients with severe asthma enrolled into the SANI registry.

Different cultures and sexual unwellness in older adults: A qualitative study with older populations from Slovenia and Portugal

Introduction

Oder adults have been stereotyped (1), both explicitly and implicitly, as being asexual or naturally lacking sexual desires (2).

Objectives

The objective of this study is to analyse the perspectives of sexual unwellness (SU) of Portuguese and Slovenian older adults.

Methods

A qualitative research was carried out, in which these perceptions were analysed at a cultural level. Methods: The sample of this study consisted of 136 older participants, between 65 and 96 years of age. Participants were of two different nationalities and lived in the community. Participants were interviewed, and all interviews were carried out through the process of literal transcription and subsequent content analysis.

Results

Eight key mutually exclusive themes emerged from the interviews: unavailability of partner; traditional values; body restrictions; low self-esteem and well-being; poor social support; dissatisfaction with physical appearance; pain during sex; and difficulties meeting new people. Unavailability of partner was the most important theme (17.9%) for the studied sample and specifically among Portuguese participants. Conversely, difficulties meeting new people was the least reported theme (6.8%) for the entire sample. For Slovenians traditional values were most relevant with respect to feeling sexually unwell.

Conclusions

Older adults from two different countries reported diverse sexual experiences. Eight mutual-exclusive themes were extensively illustrated. 1.von Humboldt S et al. Sexual expression in old age: How older adults from different cultures express sexually? Sex Res Social Policy. 2020;1-15. 2.von Humboldt S et al. Are older adults satisfied with their sexuality? Outcomes from a cross-cultural study. Educ Gerontol. 2020;46:284-293.

Disclosure

No significant relationships.

Peripheral neuropathy in chronic respiratory insufficiency

Peripheral neuropathy commonly occurs in patients with chronic obstructive lung disease (COPD). We report the presence of peripheral neuropathy in 19 of our 30 COPD patients (63.3%): 7 patients had clinical signs of a symmetric motor and sensory polyneuropathy, 12 patients had only subclinical evidence of peripheral nervous system involvement. Neurophysiological studies showed low amplitude compound muscle action potentials (CMAP) and sensory action potentials (SAP) with only slight reduction of nerve conduction velocity in affected patients: these data confirm an axonal polyneuropathy. The severity of the peripheral nervous system involvement in COPD patients was correlated with hypercapnia, the degree of disability and thus with the severity of COPD. Hypoxia, age and duration of the disease were not related with the presence of polyneuropathy. Improvement of respiratory function produced slight but progressive improvement of neurological symptoms. Within one year, also neurophysiological studies revealed a progressive and statistically significant improvement in CMAP and SAP amplitude and motor and sensory conduction velocity and, in some cases, normal electromyography.

[Undifferentiated sarcoma of the liver in the adult]

A case of undifferentiated sarcoma of the liver with heart, lung and liver metastases, is reported. We emphasised the role of ultrasound for the early diagnosis of cardiac metastases. As far as we know there is no other report on this tumour in portuguese literature.

A reservoir nasal cannula improves protection given by oxygen during muscular exercise in COPD

We verified the utility of an oxygen economizer (Pendant Oxymizer) in assuring greater protection than nasal prongs against worsening of oxyhemoglobin resting desaturation (delta SaO2) induced by muscular exercise in 16 patients (ten with chronic obstructive pulmonary disease [COPD] and six with restrictive pulmonary disease). This worsening was quantified as desaturation surface accumulated within five minutes of exercise and was expressed in arbitrary units (au). Each patient carried out the same exercise three times, in a randomized fashion (breathing air or breathing supplemental oxygen [3 L/min] delivered by either nasal prongs or by oxygen economizer). In patients with obstructive disease, delta SaO2 was reduced from 38 +/- 12.0 au when they were breathing air to 18.1 +/- 11.7 au when breathing oxygen by nasal prongs (p less than 0.001) and to 10.1 +/- 9.5 au when breathing oxygen by economizer (p less than 0.001). In patients with restrictive disease, delta SaO2 was reduced from 35.6 +/- 9.9 au when breathing air to 14.9 +/- 10.2 au breathing oxygen by nasal prongs (p less than 0.01) and to 13.7 +/- 10.3 au breathing oxygen by economizer (p less than 0.01). The difference between breathing by economizer and nasal prongs was significant (paired t-test; p less than 0.01) only in patients with COPD. One explanation could lie in the different values of the respiratory rate, which was significantly greater in patients with restrictive disease (20.7 +/- 1.2 breaths per minute at rest and 25.8 +/- 1.5 with exercise) than in patients with obstructive disease (15.3 +/- 1.2 breaths per minute at rest and 20.8 +/- 1.4 with exercise).

A portable oxygen system corrects hypoxemia without significantly increasing metabolic demands

Some patients with chronic cor pulmonale have hypoxemia only during normal daily activity. This can be corrected by portable oxygen. Whether or not the weight of the apparatus (4.2 kg) adds an additional metabolic demand of sufficient magnitude to cancel or outweigh the advantages of portable oxygen is the subject of this report in 6 patients with chronic obstructive pulmonary disease and 2 with kyphoscoliosis. All received standardized treadmill exercise while breathing room air, and the same exercise with a portable liquid oxygen system sitting on the floor or carried by the patients. The additional load created only a 6.7% increase in CO2 production and did not reverse the supplemental oxygen benefit to arterial oxygen saturation under the experimental conditions of the study.

Value of nocturnal monitoring of transcutaneous O2 and CO2 pressures in adults with respiratory failure

We have evaluated the reliability of the transcutaneous (t.c.) method of measurement of arterial PO2 and PCO2 in adult man. In 33 simultaneous measurements of 9 normals and 12 patients with a wide range of hypoxemia, we found: t.c. PCO2 = 3.62 + 1.29 PaCO2 +/- 7.3 (r = 0.96) and t.c. PO2 = 11.14 + 0.86 PaO2 +/- 9.89 (r = 0.92). Recalculating t.c. PCO2 to 37 degrees C we can obtain: t.c. PCO2 = 2.7 + 0.97 X PaCO2, stating that there is no significant difference between t.c. PCO2 and PaCO2. The t.c. apparatus detects 10 and 90% O2 pressure changes with a delay of time of about 15 s and 1 min, respectively; the t.c. method is therefore not suitable for detecting changes in PaO2 caused by sleep apnea of short duration. On the contrary the t.c. method provided a useful monitoring of arterial PO2 and PCO2 changes during the night in chronic obstructive pulmonary disease (COPD) and non-COPD patients. A nocturnal monitoring of t.c. PO2 and PCO2 seems: (a) absolutely necessary in non-COPD hypoxemics, especially if total lung capacity (TLC) and/or residual volume (RV) are significantly reduced; (b) not absolutely necessary in COPD hypoxemics, provided they have an enlarged TLC and/or a very expanded RV; (c) advisable in intermediate situations, e.g., in COPD hypoxemics with an associated restrictive disorder caused by heart failure, congestion of pulmonary bed, parenchymal or rib cage disease, in order to establish the optimal concentration of oxygen for each patient and to avoid severe nocturnal hypoxemia without producing a dangerous rise in PaCO2.