Efficacy of the Serratus Posterior Superior Intercostal Plane Block for Postoperative Analgesia in Breast Cancer Surger.(SPSIP) Block is a Novel Regional Anesthesia Technique Targeting the Dorsal Rami and Intercostal Nerves (T2-T6), Providing Sensory Blockade to Both the Posterior and Lateral Aspect

Breast Cancer

The Serratus Posterior Superior Intercostal Plane (SPSIP) block is a novel regional anesthesia technique targeting the dorsal rami and intercostal nerves (T2-T6), providing sensory blockade to both the posterior and lateral aspects of the chest wall. By blocking these nerves at a more posterior location, the SPSIP block can potentially offer broader and more comprehensive analgesia for breast surgeries, including the axillary and deeper structures of the breast. This makes it a promising alternative or adjunct to the existing regional techniques used in breast cancer surgeries

Breast cancer is the most common malignancy among women worldwide, often requiring surgical intervention such as mastectomy or breast-conserving surgery. Despite advancements in surgical techniques, postoperative pain remains a significant concern, as inadequate pain management can lead to delayed recovery, increased opioid consumption, and a higher incidence of chronic pain conditions such as postmastectomy pain syndrome (PMPS). Effective pain control strategies are, therefore, crucial to enhancing patient recovery, reducing hospital stay, and improving overall quality of life \[1\]. Regional anesthesia techniques have gained prominence as an effective method for perioperative pain management in breast surgery \[2\]. Traditional blocks such as the Thoracic Paravertebral Block (TPVB) and Serratus Anterior Plane (SAP) Block have been extensively studied and are considered effective options for postoperative analgesia. However, these techniques are not without limitations \[3\]. The TPVB, although effective, carries a higher risk of complications such as pneumothorax and hypotension due to its proximity to the pleura. The SAP block, on the other hand, primarily provides analgesia to the lateral thoracic wall and may not adequately cover deeper breast tissues and posterior thoracic areas The current study aims to evaluate the efficacy of the SPSIP block for postoperative analgesia in breast cancer surgeries and to compare its analgesic profile with the SAP block and TPVB. By providing a comprehensive comparison, this study seeks to establish the SPSIP block as a viable and potentially superior option for postoperative pain management in breast cancer surgery. \> Patients and methods • Type of the Study: This is a prospective, randomized controlled cohort study comparing the efficacy of the Serratus Posterior Superior Intercostal Plane (SPSIP) Block, Serratus Anterior Plane (SAP) Block, and Thoracic Paravertebral Block (PVB) for postoperative analgesia in breast cancer surgery. • Study Setting: The study will be conducted at Assiut University Hospital, a tertiary care center equipped with advanced facilities for breast cancer surgeries and postoperative pain management.

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