| Summary: | Abstract Background Chemical pleurodesis is frequently indicated to relieve symptoms imposed by large/recurrent malignant pleural effusion (MPE). Traditionally, a drain is left in the pleural space till the cessation of fluid accumulation before pleurodesis. Chest ultrasound can detect an amount of pleural fluid as less as 50 ml and can confirm apposition of the pleural surfaces which is required for successful pleurodesis. This work assessed the efficiency and safety of ultrasound-guided, single-session pleurodesis in cases with MPE. Results Seventeen of the patients completed a 2-month follow-up. The technique demonstrated a high success rate (88.2%). The mean duration from the start of pleural drainage till pleurodesis was 1.65 ± 0.70 h ranging from 1 to 3 h. A duration of 2.5 h or less was statistically proposed as a cutoff value not to exceed to predict success (sensitivity 100%, specificity 100%). The mean time for total hospital stay related to pleurodesis was 9.88 ± 3.12 h (range 4–12 h). No complications attributed to the procedure were recorded. Pleural Adherence Score and Absent Sliding Score (ASS) had a highly statistically significant correlation (p value < 0.001). Conclusions An ultrasound-guided completion of the process of pleurodesis in a single session with a shorter duration of pleural fluid drainage and shorter hospital stay (can be done on a day-care basis) is efficient, safe, and cost-effective. This technique is strongly recommended to replace the traditional practice of keeping the indwelling pleural drain for several days waiting for the cessation of pleural fluid reaccumulation. An ultrasound-derived ASS can be used as early as day 1 and day 15 to confirm pleural adherence and to expect the outcome of pleurodesis.
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