Welcome back, Bonnie
I have copied your question to answer it
Let's assume that you were an expert witness, how would you explain the mechanism led to her delayed bleeding?
Delayed bleeding after trauma is common, and is seen in as many as 42% of follow up studies...see below
-82.The role of early follow-up computed tomography imaging in the management of traumatic brain injury patients with intracranial hemorrhage.
Smith JS, Chang EF, Rosenthal G, Meeker M, von Koch C, Manley GT, Holland MC.
Department of Neurological Surgery, UCSF Brain and Spinal Injury Center, San Francisco General Hospital and University of California, San Francisco School of Medicine, San Francisco, California###-##-#### USA.***@******.***
BACKGROUND: The purpose of this study was to investigate whether routine follow-up computed tomography (CT) for patients with head injury, in the absence of clinical indications, alters patient management.
METHODS: Nonpenetrating head injury patients admitted to San Francisco General Hospital during an 18-month period were reviewed. Patients not surgically treated at presentation and with a routine follow-up head CT within 24 hours were included. Surgical and nonsurgical interventions after repeat CT were assessed. Clinical and imaging parameters were correlated with progressive hemorrhagic injury (PHI) and with delayed development of surgical lesions.
RESULTS: PHI was identified in 49 (42%) of 116 patients. None of these patients required a nonoperative intervention in response to the PHI. Six of these patients developed a neurologic change concurrent with routine follow-up imaging and required operative intervention. Thus, no patient underwent an intervention in response to a worsening head CT in the absence of clinical findings. Of the six patients who developed a surgical lesion, two had increased intracranial pressure, one had a change in pupillary examination, three had worsening mental status, and one had change in the motor examination. Univariate risk factors for development of a delayed surgical lesion included 5 to 10 mm of midline shift (p = 0.001), basal cistern effacement (p = 0.01), and higher Marshall score (p = 0.01) on initial CT imaging.
CONCLUSIONS: Although PHI is common with head injury, delayed interventions in the absence of clinical indicators are uncommon. Our data suggest that early follow-up CT imaging in the setting of head trauma is not routinely indicated. We suggest that assessment, based on the severity of findings on initial brain imaging and serial clinical examinations, should guide the need for follow-up imaging in the setting of head trauma.
There are doctors in the hospital where my mom took the fall trying to tell our family that it's unusual that no abnormality was observed in CAT scan 3 hrs after the fall and bleeding occured later.
THat is true for it to be completely normal, but it does happen
I just want to understand what possibly happend in her brain between 3 hrs after the fall and 27 hrs after the fall when she entered a coma state. Do you agree that MRI would have shown abnormality 3 hrs after the fall although she couldn't have had one done due to the leads from DBS?
It may have shown something, but CT is pretty sensitive for blood.
Are there other methods might have shown abnormality than CAT scan alone 3 hrs after the fall?
I hope that helps
Thank you for the opportunity to help you. To give me credit for my time and effort, please press the ACCEPT button for this answer. After that, I will still be glad to answer additional questions until you are satisfied.
A Positive Feedback and/or Bonus is welcomed and appreciated.
This answer is for information only. It cannot and should not be substituted for or the recommendation of your doctor