Effect of high-flow high-volume-intermittent hemodiafiltration on metformin-associated lactic acidosis with circulatory failure: a case report

Metformin-associated lactic acidosis is a well-known life-threatening complication of metformin. We here report the case of a patient who developed metformin-associated lactic acidosis without organ manifestat...

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Impact of non-invasive continuous blood pressure monitoring on maternal hypotension during cesarean delivery: a randomized-controlled study

Abstract

Purpose

This study aimed to investigate the efficacy of the ClearSight™ system (Edwards Lifesciences, Irvine, CA) for reducing the incidence of hypotension compared with the traditional oscillometric blood pressure monitoring in cesarean delivery under spinal anesthesia.

Methods

Forty patients undergoing cesarean delivery under spinal anesthesia were enrolled. The patients were randomly divided into two groups (Control and ClearSight groups). All patients received spinal anesthesia using 0.5% hyperbaric bupivacaine (11.5 mg) and fentanyl (10 µg). Blood pressure was managed with the same protocol using the ClearSight™ system (ClearSight group) and oscillometric blood pressure monitoring (Control group). Furthermore, we compared the accuracy of the ClearSight™ system with the traditional oscillometric monitoring for blood pressure measurement using Bland–Altman, four-quadrant plot, and polar plot analyses.

Results

The incidence of hypotension was significantly lower in the ClearSight group from induction to delivery (45% vs. 0%, p < 0.001) and to the end of surgery (50% vs. 20%, p = 0.049). Intraoperative nausea occurred more frequently in the Control group (45% vs. 10%, p = 0.012). The ClearSight™ system demonstrated acceptable accuracy with a bias of − 4.3 ± 11.7 mmHg throughout the procedure. Four-quadrant analysis revealed an excellent trending ability of the ClearSight™ system with a concordance rate of approximately 95%. In the polar plot analysis, the angular bias and concordance rate were − 13.5° ± 19.0° and 76.9%, respectively.

Conclusions

The accuracy and trending ability of the ClearSight™ system for blood pressure measurement was clinically acceptable in cesarean delivery under spinal anesthesia, leading to reductions in maternal hypotension and nausea.

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Total parenteral nutrition in the pleural space

Description  

A male infant was delivered spontaneously at 29+3 weeks and transferred to the local neonatal unit for uplift in care. This included 24 hours of ventilation, 12 hours of dobutamine and placement of a peripherally inserted central catheter (PICC) for total parenteral nutrition (TPN). By 24 hours he was extubated onto Optiflow at 6 L/min and Fraction of Inspired Oxygen (FiO₂) of 0.21. Expressed breastmilk was commenced whilst awaiting PICC placement.

A 22G 80 mm Leaderflex PICC was aseptically inserted on day 2 into the right antecubital fossa. The line did not bleed but flushed easily. A 0.9% sodium chloride infusion was commenced whilst awaiting confirmation of line position. Chest X-ray showed the PICC projected over the subclavian vein with mild residual airspace shadowing in both lungs (figure 1). The PICC position was felt to be acceptable when the X-ray was reviewed prospectively and retrospectively.

Figure 1

Chest X-ray showing peripherally inserted central catheter...

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Extracranial meningiomas concurrently found in the lung and vertebral bone: a case report

Primary pulmonary meningiomas are very rare, and primary intraosseous meningiomas outside the head and neck region have not yet been reported. We report an extremely unusual case of concurrent meningiomas aris...

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Suppressed descending pain modulatory and enhanced sensorimotor networks in patients with chronic low back pain

Abstract

Purpose

Although cerebral structural and functional changes were uncovered by neuroimaging in patients with chronic low back pain (CLBP), their associations remain to be clarified. We co-analyzed anatomical and functional magnetic resonance imaging data in those patients and tested whether cortical gray matter volume changes are associated with altered pain modulatory networks underlying chronification of pain.

Methods

In 16 patients with CLBP and 16 heathy controls, we performed functional magnetic resonance imaging during mechanical pain stimulation on the lower back followed by anatomical imaging. We performed voxel-based morphometry and functional connectivity analysis from the seeds with altered gray matter volume, and examined correlations between imaging and psychophysical parameters.

Results

Patients showed decreases in gray matter volume at the right dorsolateral prefrontal cortex, middle occipital gyrus, and cerebellum, and showed increases at the bilateral primary sensorimotor cortices, left fusiform gyrus, and right cerebellum compared with controls (P < 0.001). Dorsolateral prefrontal and fusiform volumes showed negative associations with affective comorbidity, whereas motor cortex volume with impaired daily activity (P < 0.05). Connectivity was decreased between the cerebellar and limbic, and increased between the bilateral sensorimotor regions (P_FDR < 0.05). Higher pain intensity and unpleasantness correlated with enhanced bilateral sensorimotor and dorsolateral–medial prefrontal networks, respectively (P < 0.05).

Conclusion

Patients showed a decreased volume of cortical center for descending pain modulation and an increased volume of sensorimotor network, in association with suppressed descending pain modulatory and cerebellum–limbic networks and enhanced sensorimotor network during pain. Such structural and functional alterations might be part of cerebral pathophysiology of CLBP.

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Paediatric ocular super glue injuries: assessment of two cases

In this report, we elaborate the clinical findings and the optimal management of two cases with ocular glue injuries in two paediatric patients. Both the patients were presented to the ocular emergency with completely closed eyelid and periocular erythema. The eyelids were completely closed due to matting of the eyelashes with glue retention up to lash roots. Thus, in both cases, after the application of local anaesthetic agent, immediate lash trimming was performed along with the removal of crystallised glue particles. However, the ocular surface showed only congestion in absence of any added corneal complications. Patients were followed up with standard treatment protocol as per chemical injuries. Until the end of 5 months, the clinical course was uneventful.

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Comorbid presentation of syringomyelia and Guillain-Barre syndrome, attributed to mycoplasma, in a 6-year-old female patient

Syringomyelia is the development of a fluid-filled cavity or syrinx within the spinal cord that can cause loss of sensation and muscle spasticity. Guillain-Barre syndrome (GBS) is a postinfection autoimmune disease, classified as an acute polyneuropathy. This report describes the emergency admission of a 6-year-old girl presenting with sudden pallor and pain in both lower limbs. The patient's reflexes were normal, as were the results of her sonography, radiography and biochemical tests; however, spinal MRI revealed extensive compartmentalised syringomyelia extending from C2 to T3. A sensory and motor nerve conduction study revealed a demyelinating type motor polyneuropathy which, along with positive Mycoplasma pneumoniae test, was suggestive of GBS. Intravenous immunoglobulin infusion showed excellent results. In conclusion, we report a rare paediatric case of syringomyelia coexisting with GBS. It is important to bear in mind the possibility of other coexisting diseases even if MRI reveals definitive characteristics of another condition.

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