Aude Charvet

Oxygen tissue saturation is lower in nonsurvivors than in survivors after early resuscitation of septic shock.

Background:Growing evidence suggests that the microvascular dysfunction is the key element of the pathogenesis of septic shock. This studys purpose was to explore whether the outcome of septic shock patients after early resuscitation using early goal-directed therapy is related to their muscle tissue oxygenation. Methods:Tissue oxygen saturation (Sto2) was monitored in septic shock patients using a tissue spectrometer (InSpectra Model 325; Hutchinson Technology, Hutchinson, MN). For the purpose of this retrospective study, the Sto2 values were collected at the first measurement done after the macrohemodynamic variables (mean arterial pressure, urine output, central venous saturation in oxygen) were optimized. Results:After the hemodynamic variables were corrected, no difference was observed between the nonsurvivors and survivors, with the exception of pulse oximetry saturation (94% [92–97%] vs. 97% [94–99%], P = 0.04). The Sto2 values were significantly lower in the nonsurvivors than in the survivors (73% [68–82%] vs. 84% [81–90%], P = 0.02). No correlations were found between the Sto2 and Spo2 (P = 0.7). Conclusions:In septic shock patients, tissue oxygen saturation below 78% is associated with increased mortality at day 28. Further investigations are required to determine whether the correction of an impaired level of tissue oxygen saturation may improve the outcome of these patients.

Long-term outcome in chest trauma.

Background: Currently, there are limited data available describing the long-term outcomes of chest trauma survivors. Here, the authors sought to describe chest trauma survivor outcomes 6 months and 1 yr after discharge from the intensive care unit, paying special attention to pulmonary outcomes. Methods: A cohort of 105 multiple trauma patients with blunt chest trauma admitted to the intensive care unit was longitudinally evaluated. After 6 months, a chest computed tomography scan, pulmonary function testing (PFT), and quality of life were collected in 55 of these patients. A subgroup of 38 patients was followed up for 1 yr. Results: At least one abnormal PFT result was found in 39 patients (71%). Compared with normalized data of the age- and sex-matched population, physical function was decreased in 38 patients (70%). The 6-min walk distance was reduced for 29 patients (72%). Although pathologic images were observed on the chest computed tomography scan from 33 patients (60%), no relation was found between PFT and computed tomography. A ratio of arterial oxygen pressure to inspired oxygen fraction less than 200 at admission to the intensive care unit predicted an abnormal PFT result at 6 months. One year after discharge from the intensive care unit, paired comparisons showed a significant increase in forced vital capacity (P = 0.02) and Karnofsky Performance Status (P < 0.001). Conclusions: Survivors of multiple traumas including chest trauma demonstrate a persistent decrease in the 6-min walk distance, impairment on PFT, and reduced pulmonary-specific quality of life.

Postoperative morphine consumption and anaesthetic management of patients undergoing video-assisted or robotic-assisted lung resection: a prospective, propensity score-matched study

Background Robotic assistance is increasingly being used for treatment of early stage of non-small cell lung cancer. Our objectives were to compare the morphine consumption during the postoperative 48 hours after robotic-assisted thoracic surgery and that after video-assisted thoracic surgery as well as compare the patients haemodynamic and respiratory function during the procedures. Methods This observational, prospective study was conducted in a single referral centre for thoracic surgery from January 2016 to March 2017. Patients who were scheduled to undergo surgical lung resection were included. A propensity score based on age, sex, American society of Anesthesiology score was used between groups. Linear regression analyses were used to determine the mean difference in the postoperative morphine consumption. We also compared the haemodynamic and respiratory function during the two procedures. Results Among the 194 patients included, 105 (54%) and 89 (46%) underwent video and robotic surgery, respectively. Total 75 of each group were matched using the propensity score. The consumption of morphine was 23.0 (16.5-39.0) mg and 33.0 (19.3-46.5) mg (P=0.05) in the video and robotic groups, respectively. Linear regression revealed an average difference β (95% CI) of 6.76 mg (0.32-13.26) (P=0.04) in the morphine consumption after adjusting for the body mass index and local anaesthetic use. Robotic surgery was associated with worse haemodynamic and respiratory function than video surgery. Conclusions As compared with video, robotic surgery was associated with increased use of morphine and greater alteration in the haemodynamic and respiratory functions.

Stratégie chirurgicale : quelles nouvelles techniques ? La chirurgie minimalement invasive (RATS/VATS). Les exérèses d’épargne parenchymateuse. Les parcours de soin accélérés

Resume La chirurgie thoracique a beneficie de nombreuses innovations techniques au cours des dernieres decennies. En parallele les programmes de depistage permettent de diagnostiquer des cancers bronchiques primitifs a des stades plus precoces. Les pratiques chirurgicales se sont donc modifiees d’une part par la generalisation des voies mini-invasives, d’autre part par l’apparition des resections anatomiques infralobaires (segmentectomies) que l’on pourraient qualifier de « chirurgie de precision » qui apparaissent comme des alternatives valables a la lobectomie dans des situations definies, et enfin par la mise en place de parcours de soins acceleres et personnalises, parfois meme ambulatoires. L’objet de cette revue, sera de detailler ces aspects modernes de la chirurgie thoracique au travers de ces trois points, intrinsequement lies les uns aux autres.