Impact of balloon laryngoplasty on management of acute subglottic stenosis

Abstract

Purpose

To assess the impact of balloon laryngoplasty on clinical and surgical outcomes in pediatric patients with acute subglottic stenosis.

Methods

Two case series were included and compared. The first group included patients treated initially either with tracheostomy (if severe symptoms) or with close follow-up (if mild symptoms). Those children underwent re-evaluation and specific treatment of their stenosis with laser incisions or open surgeries some weeks later. The other group included children treated initially with balloon laryngoplasty, reflecting a shift in surgical practice after 2009. Data as success of the procedure, mean hospital stay, mean pediatric intensive care unit (PICU) stay, post-procedure fever, need of antibiotics, procedure-related complications, and deaths were assessed and compared between both cohorts.

Results

The sample comprised 38 pediatric patients aged 0–5 years. Fifteen children were treated before 2009, of who 10 (66.7%) required tracheostomy soon after the diagnosis. Ultimately, 13 (86.6%) underwent laryngotracheal reconstruction. Twenty-three children were treated after 2009 and the success rate in these patients treated primarily with balloon laryngoplasty was 82.6%. Of these, only 3 (13%) required tracheostomy and 1 (4.3%) required further open laryngotracheal reconstruction. Patients treated by balloon laryngoplasty underwent fewer procedures under general anesthesia and had a lower burden of treatment-related morbidity, as denoted by shorter PICU stay, less antibiotic use, earlier postoperative resumption of oral feeding, and a lower incidence of postoperative complications and fever.

Conclusion

When used for management of acute laryngeal stenosis, balloon laryngoplasty is associated with a high success rate, presenting lower morbidity than open surgery.

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Functional Endoscopic Sinus Surgery of Nasal Polyposis: The Vexing Question of Whether to Resect or Preserve Middle Turbinate

Abstract

Functional endoscopic sinus surgery is the mainstay of surgical management of nasal polyposis since 1975. The decision between the partial resection and preservation of the middle turbinate (MT) has stirred up considerable debate. Partial MTR permits easy access to the affected paranasal sinuses intraoperatively and postoperatively. However, there may be alteration of nasal function, frontal sinusitis and anosmia. Preservation of middle turbinate is precludes these complications, and allows the MT to serve as a vital anatomical landmark for revision surgery. Therefore, our study compared the outcomes of the two approaches to aid surgeons in deciding the best possible approach. Randomized control trial. 31 patients (60 sides of nasal cavity) with nasal polyposis were divided into two groups. Group I consisted of 30 sides of nasal cavity with middle turbinate resection, while group II consisted of 30 sides of nasal cavity without middle turbinate resection. Both the groups were compared postoperatively for 6 months. In group I and group II, 5 sides (16.6%) and 11 sides (36.6%) showed polypoidal changes respectively. 3 sides (10%) in group I and 8 sides (26.6%) in group II showed blockage of maxillary sinus ostia. All the sides in group I had patency of frontal sinus. In group II, 5 sides (16.6%) showed blockage of frontal sinus ostia. The maxillary antrostomy patency in group I and group II were 90% (27) and 73.33% (22) respectively. Assessment of symptomatic improvements for nasal obstruction, hyposmia, headache and rhinorrhoea was done using questionnaires. Symptomatic improvement was higher in group I compared to group II with statistical significance (p = 0.001). Our study demonstrated that partial resection of middle turbinate decreased the chances of recurrence of disease and post-operative complications and resulted in significantly better symptomatic improvements.

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Virtual Reality Analgesia in Labor: The VRAIL Pilot Study—A Preliminary Randomized Controlled Trial Suggesting Benefit of Immersive Virtual Reality Analgesia in Unmedicated Laboring Women

This pilot study investigated the use of virtual reality (VR) in laboring women. Twenty-seven women were observed for equivalent time during unmedicated contractions in the first stage of labor both with and without VR (order balanced and randomized). Numeric rating scale scores were collected after both study conditions. Significant decreases in sensory pain −1.5 (95% CI, −0.8 to −2.2), affective pain −2.5 (95% CI, −1.6 to −3.3), cognitive pain −3.1 (95% CI, −2.4 to −3.8), and anxiety −1.5 (95% CI, −0.8 to −2.3) were observed during VR. Results suggest that VR is a potentially effective technique for improving pain and anxiety during labor. Accepted for publication June 6, 2018. D. P. Frey is currently affiliated with the Oregon Anesthesiology Group, Obstetric Anesthesiology, Providence Portland Medical Center, Portland, Funding: Funding for this study was provided by the Department of Anesthesiology, University of Michigan as well as in part by the National Institutes of Health (AR054115 and GM042725). The authors declare no conflicts of interest. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (https://ift.tt/KegmMq). Clinical trial: NCT02926469 at https://ift.tt/2zCUsXv. Reprints will not be available from the authors. Address correspondence to David P. Frey, DO, Oregon Anesthesiology Group, Obstetric Anesthesiology, Providence Portland Medical Center, 707 SW Washington St, Suite 700, Portland, OR 97205. Address e-mail to VRAILQuestions@gmail.com. © 2018 International Anesthesia Research Society

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In Response

No abstract available

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Frequency of Operative Anesthesia Care After Traumatic Injury

BACKGROUND: Virtually all anesthesiologists care for patients who sustain traumatic injuries; however, the frequency with which operative anesthesia care is provided to this specific patient population is unclear. We sought to better understand the degree to which anesthesia providers participate in operative trauma care and how this differs by trauma center designation (levels I–V), using data from a comprehensive, regional database—the Washington State Trauma Registry (WSTR). We also sought to specifically assess operative anesthesia care frequency vis a vis the American College of Surgeons guidelines for continuous anesthesiology coverage for Level II trauma center accreditation. METHODS: We conducted a retrospective analysis measuring the frequency of operative anesthesia care among patients enrolled in the WSTR. Univariate comparisons were made between trauma patients who had surgery during their admission and those who did not (medical management only). In addition, clinical factors associated with surgical intervention were measured. We also measured the average times from hospital admission to surgery and compared these times across trauma centers, grouped level I, II, and III–V. RESULTS: From 2004 to 2014, there were approximately 176,000 encounters meeting WSTR inclusion criteria. Approximately 60% of these trauma encounters included exposure to operative anesthesia during the admission. Among all surgical procedures during the trauma admission, approximately 33% occurred within a level I trauma center, 23% occurred within a level II trauma center, and 44% occurred in a trauma center with a III, IV, or V designation. The predominant procedure category during a trauma admission was orthopedic. The presence of hypotension on admission (P

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A Systematic Review Evaluating Neuraxial Morphine and Diamorphine-Associated Respiratory Depression After Cesarean Delivery

The prevalence of neuraxial opioid–induced clinically significant respiratory depression (CSRD) after cesarean delivery is unknown. We sought to review reported cases of author-reported respiratory depression (ARD) to calculate CSRD prevalence. A 6-database literature search was performed to identify ARD secondary to neuraxial morphine or diamorphine, in parturients undergoing cesarean delivery. "Highest" (definite and probable/possible) and "lowest" (definite) prevalences of CSRD were calculated. Secondary outcomes included: (1) prevalence of CSRD associated with contemporary doses of neuraxial opioid, (2) prevalence of ARD as defined by each study's own criteria, (3) case reports of ARD, and (4) reports of ARD reported by the Anesthesia Closed Claims Project database between 1990 and 2016. We identified 78 articles with 18,455 parturients receiving neuraxial morphine or diamorphine for cesarean delivery. The highest and lowest prevalences of CSRD with all doses of neuraxial opioids were 8.67 per 10,000 (95% CI, 4.20–15.16) and 5.96 per 10,000 (95% CI, 2.23–11.28), respectively. The highest and lowest prevalences of CSRD with the use of clinically relevant doses of neuraxial morphine ranged between 1.63 per 10,000 (95% CI, 0.62–8.77) and 1.08 per 10,000 (95% CI, 0.24–7.22), respectively. The prevalence of ARD as defined by each individual paper was 61 per 10,000 (95% CI, 51–74). One published case report of ARD met our inclusion criteria, and there were no cases of ARD from the Closed Claims database analysis. These results indicate that the prevalence of CSRD due to neuraxial morphine or diamorphine in the obstetric population is low. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (https://ift.tt/KegmMq). Accepted for publication May 31, 2018. Funding: None. The authors declare no conflicts of interest. Reprints will not be available from the authors. Address correspondence to Nadir Sharawi, MBBS, FRCA, MSc, Department of Anesthesiology, University of Arkansas for Medical Sciences, 4301 W Markham, Slot 515, Little Rock, AR 72205. Address e-mail to nelsharawi@uams.edu. © 2018 International Anesthesia Research Society

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Ability of a New Smartphone Pulse Pressure Variation and Cardiac Output Application to Predict Fluid Responsiveness in Patients Undergoing Cardiac Surgery

BACKGROUND: Pulse pressure variation (PPV) can be used to predict fluid responsiveness in anesthetized patients receiving controlled mechanical ventilation but usually requires dedicated advanced monitoring. Capstesia (Galenic App, Vitoria-Gasteiz, Spain) is a novel smartphone application that calculates PPV and cardiac output (CO) from a picture of the invasive arterial pressure waveform obtained from any monitor screen. The primary objective was to compare the ability of PPV obtained using the Capstesia (PPVCAP) and PPV obtained using a pulse contour analysis monitor (PPVPC) to predict fluid responsiveness. A secondary objective was to assess the agreement and the trending of CO values obtained with the Capstesia (COCAP) against those obtained with the transpulmonary bolus thermodilution method (COTD). METHODS: We studied 57 mechanically ventilated patients (tidal volume 8 mL/kg, positive end-expiratory pressure 5 mm Hg, respiratory rate adjusted to keep end tidal carbon dioxide [32–36] mm Hg) undergoing elective coronary artery bypass grafting. COTD, COCAP, PPVCAP, and PPVPC were measured before and after infusion of 5 mL/kg of a colloid solution. Fluid responsiveness was defined as an increase in COTD of >10% from baseline. The ability of PPVCAP and PPVPC to predict fluid responsiveness was analyzed using the area under the receiver-operating characteristic curve (AUROC), the agreement between COCAP and COTD using a Bland-Altman analysis and the trending ability of COCAP compared to COTD after volume expansion using a 4-quadrant plot analysis. RESULTS: Twenty-eight patients were studied before surgical incision and 29 after sternal closure. There was no significant difference in the ability of PPVCAP and PPVPC to predict fluid responsiveness (AUROC 0.74 [95% CI, 0.60–0.84] vs 0.68 [0.54–0.80]; P = .30). A PPVCAP >8.6% predicted fluid responsiveness with a sensitivity of 73% (95% CI, 0.54–0.92) and a specificity of 74% (95% CI, 0.55–0.90), whereas a PPVPC >9.5% predicted fluid responsiveness with a sensitivity of 62% (95% CI, 0.42–0.88) and a specificity of 74% (95% CI, 0.48–0.90). When measured before surgery, PPV predicted fluid responsiveness (AUROC PPVCAP= 0.818 [P = .0001]; PPVPC= 0.794 [P = .0007]) but not when measured after surgery (AUROC PPVCAP= 0.645 [P = .19]; PPVPC= 0.552 [P = .63]). A Bland-Altman analysis of COCAP and COTD showed a mean bias of 0.3 L/min (limits of agreement: −2.8 to 3.3 L/min) and a percentage error of 60%. The concordance rate, corresponding to the proportion of CO values that changed in the same direction with the 2 methods, was poor (71%, 95% CI, 66–77). CONCLUSIONS: In patients undergoing cardiac surgery, PPVCAP and PPVPC both weakly predict fluid responsiveness. However, COCAP is not a good substitute for COTD and cannot be used to assess fluid responsiveness. Accepted for publication June 7, 2018. A. Joosten and C. Boudart contributed equally and share first authorship. Funding: None. Conflicts of Interest: See Disclosures at the end of the article. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (https://ift.tt/KegmMq). Registration: Clinicaltrials.gov (NCT02692222). Reprints will not be available from the authors. Address correspondence to Alexandre Joosten, MD, Department of Anesthesiology, Hopital Erasme, 808 Rt de Lennik, 1070 Bruxelles, Brussels, Belgium. Address e-mail to Alexandre.Joosten@erasme.ulb.ac.be. © 2018 International Anesthesia Research Society

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