ABSTRACT This study examines firm characteristics that lead to shareholder activism and analyzes the effects of activism on target firm governance structure, shareholder wealth, and operating performance for the 51 firms targeted by CalPERS over the 1987–93 period. Firm size and level of institutional holdings are found to be positively related to the probability of being targeted, and 72 percent of firms targeted after 1988 adopt proposed changes or make changes resulting in a settlement with CalPERS. Shareholder wealth increases for firms that adopt or settle and decreases for firms that resist. No statistically significant change in operating performance is found.
Aesthetic soft-tissue filler injections for lip enhancement are popular and performed throughout the world. When injecting lips with a cannula, as the cannula is advanced, resistance is perceived in consistent locations, potentially indicating boundaries between intralabial compartments.
Interscalene block can be chosen for complete anesthesia for shoulder surgery. Phrenic nerve block occurs with almost all interscalene blocks, but is well tolerated in most patients. This may not be the case in selected geriatric patients.The patient is a 90-year-old female with osteoarthritis of the left shoulder scheduled for total shoulder anthroplasty. Past medical history revealed hypertension, mild mitral valve insufficiency, and a remote episode of congestive heart failure. She underwent interscalene block with 40 mL of 1.4% mepivacaine, 1:200,000 epinephrine freshly added, alkalinized with sodium bicarbonate.The onset of the block was rapid and complete. The patient had minimal intravenous sedation (0.5 mg midazolam) and was resting comfortably with a respiratory rate of 12-14 breaths/min. Approximately 5 minutes after the injection of local anesthetic, the patient was noted to be alert, cyanotic, denying dyspnea, with an oxygen saturation of 75-85%. A chest radiograph revealed elevation of the ipsilateral hemidiaphragm and no pneumothorax or other pathology. Despite supplemental oxygen by face mask, desaturation persisted and general anesthesia was induced. On emergence from anesthesia, the patient had a complete interscalene block. Repeat chest radiograph after resolution of the block revealed return of hemidiaphragm position and no other pathology. The patient was extubated in the recovery room without difficulty. Following extubation the patient demonstrated stable respirations and normal oxyhemoglobin saturation.Ipsilateral phrenic nerve paralysis caused significant respiratory compromise in an elderly patient without known significant pulmonary disease.
Abstract : The United States has achieved unprecedented survival rates, as high as 98%, for casualties arriving alive at the combat hospital. Our military medical personnel are rightly proud of this achievement. Commanders and Servicemembers are confident that if wounded and moved to a Role II or III medical facility, their care will be the best in the world. Combat casualty care, however, begins at the point of injury and continues through evacuation to those facilities. With up to 25% of deaths on the battlefield being potentially preventable, the prehospital environment is the next frontier for making significant further improvements in battlefield trauma care. Strict adherence to the evidence-based Tactical Combat Casualty Care (TCCC) Guidelines has been proven to reduce morbidity and mortality on the battlefield. However, full implementation across the entire force and commitment from both line and medical leadership continue to face ongoing challenges. This report on prehospital trauma in the Combined Joint Operations Area Afghanistan (CJOA-A) is a follow-on to the one previously conducted in November 2012 and published in January 2013. Both assessments were conducted by the US Central Command (USCENTCOM) Joint Theater Trauma System (JTTS). Observations for this report were collected from December 2013 to January 2014 and were obtained directly from deployed prehospital providers, medical leaders, and combatant leaders. Significant progress has been made between these two reports with the establishment of a Prehospital Care Division within the JTTS, development of a prehospital trauma registry and weekly prehospital trauma conferences, and CJOA-A theater guidance and enforcement of prehospital documentation. Specific prehospital trauma-care achievements include expansion of transfusion capabilities forward to the point of injury, junctional tourniquets, and universal approval of tranexamic acid.
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