Neurosurgical Outcomes and Quality of Care in Brain Tumor Surgery

Neurosurgical management of brain tumours demands meticulous assessment of patient outcomes and systematic quality monitoring to optimise survival, functional recovery and quality of life. Advances in imaging and intraoperative technology have enabled more extensive tumour resections while striving to preserve neurological function. Simultaneously, structured complication grading and performance scales have facilitated transparent reporting of adverse events, length of stay and readmission rates. The establishment of prospective registries and multicentre quality initiatives has underscored the importance of benchmarking hospital performance, informing surgical decision-making and guiding resource allocation on a global scale.

Research from Nature Portfolio

Foundational validation of a therapy-oriented complication grading system demonstrated that the Clavien-Dindo scale correlates with patient functional status and length of stay, confirming its utility for neurosurgical quality assessment beyond spinal procedures. Complementing this, analysis of resident-led intracranial tumour resections under supervision revealed equivalent perioperative morbidity and mortality to cases performed by senior surgeons, supporting the safe integration of training opportunities without compromising patient outcomes. Together, these studies have established rigorous standards for complication reporting and affirmed the role of structured educational pathways in maintaining high-quality care.

Neurosurgical Outcomes and Quality of Care in Brain Tumor Surgery publication trend

The graph below shows the total number of articles in neurosurgical outcomes and quality of care in brain tumor surgery across all publications each year (not limited to Nature Index journals).

Technical terms

Extent of resection (EOR): The proportion of tumour volume surgically removed, often categorised as gross total, subtotal or biopsy only.

Adjuvant therapy: Additional treatment such as radiotherapy or chemotherapy administered after initial surgery to target residual tumour cells.

Karnofsky Performance Status (KPS): A scale from 0 to 100 that quantifies a patient’s functional ability and independence in daily activities.

Clavien-Dindo grading system (CDG): A classification of postoperative complications based on the type of intervention required, from minor pharmacological treatment to life-threatening events.

Case volume: The number of specific surgical procedures performed by a centre or surgeon over a defined period, used as an indicator of experience and potential outcome quality.

References

1. Validating a therapy-oriented complication grading system in lumbar spine surgery: a prospective population-based study. Scientific Reports (2017).
2. Safety of resident training in the microsurgical resection of intracranial tumors: Data from a prospective registry of complications and outcome. Scientific Reports (2019).
3. Unplanned 30-Day Readmission in Glioblastoma Patients: Implications for the Extent of Resection and Adjuvant Therapy. Cancers (2023).
4. Adverse events in neurosurgery: a comprehensive single-center analysis of a prospectively compiled database. Acta Neurochirurgica (2023).
5. Between-hospital variation in mortality and survival after glioblastoma surgery in the Dutch Quality Registry for Neuro Surgery. Journal of Neuro-Oncology (2019).