Ventilator associated pneumonia is an important complication in children receiving mechanical ventilation in PICU and Gram negative bacilli (Acinetobacter and Pseudomonas) being the important causative agents. Ventilator associated tracheobronchitis is an emerging entity; recognition and treatment of same might prevent the development of VAP.

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Background: Cyclin-dependent kinase 4/6 inhibitor addition to hormonal therapy has shown to improve the survival of hormone receptor (HR)-positive, HER2-negative advanced breast cancer (ABC). Methods: We retrospectively analyzed untreated patients with HR-positive, HER2-negative ABC, who received letrozole and palbociclib at the Cancer Institute, Chennai, from October 2017 to January 2019. Results: A total of 24 patients were included in this study. The median progression-free survival (PFS) was 18 months, and the median overall survival (OS) had not reached. The 1-year PFS and OS were 73.7% and 89.2%, respectively. The common toxicities were neutropenia and fatigue but none of the patients had febrile neutropenia. Conclusion: Letrozole-Palbociclib is effective with manageable toxicity as the first-line treatment for HR-positive, HER2-negative ABC.

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