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PubMed1986

Discharge planning for children with perforated appendicitis.

Optimal management of children with perforated appendicitis remains a controversial clinical problem. Until very recently, the criteria for hospital discharge on our surgical service included the absence of fever and leukocytosis for a period of 48 hours following completion of antimicrobial therapy, uncomplicated wound healing, a normal rectal examination, and unimpaired gastrointestinal function. With the introduction of cost-containment programs, the necessity for the period of inpatient observation following cessation of antibiotics was questioned. The records of 87 consecutive children with perforated appendicitis were analyzed prospectively in order to determine if our discharge policies were medically sound and cost-effective. Seventy-five patients (86%) recovered uneventfully while 12 children required prolonged hospitalization for management of various postoperative complications. The 12 patients who developed complications were all identifiable early in the postoperative period because of persistent fever, leukocytosis, and elevated band counts. Of the 75 children who recovered uneventfully, all met standard discharge criteria on the final day of antibiotic therapy with the exception of completing the mandatory 48-hour period of inpatient observation. These children were maintained in the hospital a total of 142 additional days following discontinuation of antibiotics. The average cost per patient day for children with perforated appendicitis during the study period was $506.32, which represented unnecessary hospital charges of $71,897.44. It was concluded that inpatient observation following cessation of antibiotic therapy in children who experience an uneventful recovery from perforated appendicitis is neither necessary nor cost-effective.(ABSTRACT TRUNCATED AT 250 WORDS)

Appendicitis↗
PubMed1990

Hemolytic-uremic syndrome during an outbreak of Escherichia coli O157:H7 infections in institutions for mentally retarded persons: clinical and epidemiologic observations.

PURPOSE: To describe an outbreak of Escherichia coli O175:H7 infection resulting in a high rate of progression to hemolytic-uremic syndrome, and to attempt to identify predictors of and risk factors for progression. DESIGN: Case-control study among employees and comparison of daily clinical features in two groups: infected residents with subsequent development of HUS and those who had no complications. SETTING: Two institutions for retarded persons in Utah. PATIENTS: Twenty residents with E. coli O157:H7 infection (13 culture confirmed, 2 probable, and 5 possible); HUS developed in 8, and 4 died. Thirty-one infected employees (3 with culture-confirmed, 6 with probable, and 22 with possible infection). MEASUREMENTS AND MAIN RESULTS: In a case-control study among employees, infection was independently associated with eating ground beef from a single lot prepared at several barbecues and with close contact with a resident who had diarrhea. Five of eight residents in whom HUS developed had received trimethoprim-sulfamethoxazole, compared with none of seven who had no subsequent complications (p = 0.026); this finding may reflect antimicrobial treatment of patients with more severe illness. Compared with infected residents without complications, persons with HUS were younger (median age 13 vs 27 years, p = 0.043) and, by the third day of illness, had higher leukocyte counts (median 23.7 X 10(9)/L vs 9.1 X 10(9)/L, p = 0.018) and temperature (median 38.5 degrees C vs 37.0 degrees C, p = 0.016). Leukocytosis peaked on day 4, more than 24 hours before signs of HUS appeared. CONCLUSIONS: Food-borne outbreaks of E. coli O157:H7 in institutions may have devastating effects. Leukocytosis and fever may precede and predict HUS in patients with E. coli O157:H7 infection.

Adolescent↗
PubMed1981

Complications and sequelae of meningococcal infections in children.

Eight-six children with meningococcal meningitis or bacteremia were evaluated prospectively between 1977 and 1979 to determine the incidence of complications and features predictive of their development. The majority (83%) of these infections were caused by serogroup B strains. Twenty-seven percent of survivors experienced one or more suppurative, allergic, or neurologic complications. Hearing loss, noted in 9% of children, occurred significantly more often in patients with admission leukocytosis or leukopenia, or with CSF leukocytosis greater than 10,000/mm3 than in those with an uncomplicated course (P less than 0.01). Ten percent of survivors developed allergic complications manifested as cutaneous vasculitis or arthritis with onset five to eight days after admission. Shock, purpuric skin lesions, and fever persisting longer than five days occurred significantly more often in these children than in those who developed hearing loss or those with an uncomplicated course (P less than 0.05). Resolution of allergic complications occurred within 14 days of their onset. Compared to Neisseria meningitidis groups A and C, group B strains appear to be intermediate in their potential for allergic complications associated with childhood infection.

Adolescent↗
PubMed1996

Incidence, significance, and kinetic mechanism responsible for leukemoid reactions in patients in the neonatal intensive care unit: a prospective evaluation.

OBJECTIVE: To prospectively investigate the incidence, significance, and kinetic mechanism responsible for leukemoid reactions in patients in the neonatal intensive care unit (NICU). DESIGN: We prospectively studied all infants admitted to the NICU at the University of Florida who, during a period of 12 consecutive months, had a leukemoid reaction. All those identified had a standardized evaluation consisting of (1) karyotype analysis, (2) bacterial cultures, (3) evaluations for toxoplasmosis, other (congenital syphilis and viruses), rubella, cytomegalovirus, and herpes simplex virus) (TORCH), (4) determination of blood viscosity, (5) use of marrow aspirates for morphology, clonogenic progenitor cell assays, and cell-cycle analysis of progenitors, (6) determination of serum concentrations of granulocyte and granulocyte-macrophage colony-stimulating factors, and (7) serial complete blood cell counts until the leukemoid reaction remitted. RESULTS: During 12 months, 707 patients were admitted to the NICU and 4262 complete blood cell counts were performed on samples from these patients. A leukemoid reaction was identified in nine patients, all of whom were preterm (born at 24 to 38 weeks' gestation). Peak blood leukocyte concentrations were 51.7 +/- 15.6 x 10(3)/microl (mean +/- SD). The leukemoid reactions were detected during the first 4 days of life in seven patients, on day 9 in one, and on day 25 in one. An abnormal karyotype (47, XY, +21) was present in one infant. Mothers of four infants had received betamethasone antenatally. None had elevated whole blood viscosity or positive findings on bacterial or TORCH evaluations. None of the bone marrow findings were consistent with steroid-induced leukocytosis; all studies indicated accelerated neutrophil production. Serum concentrations of granulocyte-macrophage colony-stimulating factor were either negligible or nondetectable. Serum granulocyte colony-stimulating factor was elevated in three patients, low in two, and nondetectable in four. The leukemoid reactions persisted for 5 to 32 days, the longest being in the patient with trisomy 21. CONCLUSIONS: Leukemoid reactions were not particularly rare in our NICU (1.3% of patients). The reactions were not associated with hyperviscosity and, except in one patient with a karyotype abnormality, were transient. The responsible kinetic mechanism was increased neutrophil production, not steroid-induced leukocytosis.

Blood Viscosity↗
PubMed2001

Nosocomial pneumonia. Diagnostic and therapeutic considerations.

Many patients with presumed nosocomial pneumonia probably have infiltrates on the chest radiograph, fever, and leukocytosis resulting from noninfectious causes. Because of the high mortality and morbidity associated with nosocomial pneumonias, however, most clinicians treat such patients with a 2-week empiric trial of antibiotics. Before therapy is initiated, the clinician should rule out other causes of pulmonary infiltrates, fever, and leukocytosis that mimic a nosocomial pneumonia (e.g., pre-existing interstitial lung disease, primary or metastatic lung carcinomas, pulmonary emboli, pulmonary drug reactions, pulmonary hemorrhage, collagen vascular disease affecting the lungs, or congestive heart failure). If these disorders can be eliminated from diagnostic consideration, a 2-week trial of empiric monotherapy is indicated. The clinician should treat cases of presumed nosocomial pneumonia as if P. aeruginosa were the pathogen. Although P. aeruginosa is not the most common cause of nosocomial pneumonia, it is the most virulent pulmonary pathogen associated with nosocomial pneumonia. Coverage directed against P. aeruginosa is effective against all other aerobic gram-negative bacillary pathogens causing hospital-acquired pneumonia. The clinician should select an antibiotic for empiric monotherapy that is highly effective against P. aeruginosa, has a good side-effect profile, has a low resistance potential, and is relatively inexpensive in terms of its cost to the institution. The preferred agents for empiric monotherapy for nosocomial pneumonia are cefepime, meropenem, and piperacillin. Single organisms are responsible for nosocomial pneumonia, not multiple pathogens. S. aureus rarely, if ever, causes nosocomial pneumonia but is mentioned frequently in studies based on cultures of respiratory tract secretions. S. aureus, unless accompanied by a necrotizing pneumonia with rapid cavitation within 72 hours, in the sputum indicates colonization rather than infection and should not be addressed therapeutically. Antibiotics associated with a high resistance potential should not be used as monotherapy or included in combination therapy regimens (i.e., ceftazidime, ciprofloxacin, imipenem, or gentamicin). Combination therapy is more expensive than monotherapy and is indicated only when P. aeruginosa is extremely likely, based on its characteristic clinical presentation, or is proved by tissue biopsy. Therapy should not be based on respiratory secretion cultures regardless of technique. Optimal combination regimens include cefepime or meropenem plus levofloxacin or piperacillin or aztreonam or amikacin. Nosocomial pneumonias usually are treated for 14 days. Lack of radiographic or clinical response to appropriate empiric nosocomial pneumonia monotherapy after 14 days suggests an alternate diagnosis. In these patients, a tissue biopsy specimen should be obtained to determine the cause of the persistence of pulmonary infiltrates unresponsive to appropriate antimicrobial therapy.

Anti-Bacterial Agents↗
PubMed2004

[Risk factors of mortality in invasive pneumococcal disease].

BACKGROUND AND OBJECTIVE: To analyze the risk factors associated with mortality in invasive pneumococcal disease in the university hospital Fundación Jiménez Díaz (Madrid, Spain) during 11 years. PATIENTS AND METHOD: We performed a retrospective study of patients attending the emergency service of the hospital from January 1993 to August 2003. We registered data on mortality, clinical and microbiological evolution and relapses. RESULTS: We studied 263 patients with pneumococcal baceteremia and invasive disease caused by Streptococcus pneumoniae (pneumonia, meningitis, sepsis, bacteremia of unknown origin and oligoarthritis). Mortality was 12.5%. Variables associated with mortality in a logistic regression analysis included absence of leukocytosis (p = 0.04), acidosis (p < 0.01), respiratory signs and symptoms (tachypnea, pleuritic pain) (p = 0.02), and neurologic manifestations (decreased consciousness level; (p < 0.01). CONCLUSION: Patients at highest risk of death because of invasive pneumococcal disease are critically ill, with no leukocytosis, with severe respiratory or neurological symptoms and undergoing invasive procedures such as mechanical ventilation and tracheostomy.

Female↗
PubMed2003

Eosinophilia and uterine leiomyosarcoma.

BACKGROUND: Tumor-associated blood eosinophilia and tumor-associated tissue eosinophilia have been described in association with a spectrum of neoplasms. A case of uterine leiomyosarcoma exhibiting both blood and tissue eosinophilia is presented. CASE: A 67-year-old postmenopausal woman was evaluated for a 6-month history of postmenopausal bleeding. An office-based endometrial biopsy yielded atypical mesenchymal tissue with marked eosinophilic infiltrate suspicious for a uterine sarcoma, and the patient was referred to the gynecologic oncology service in a tertiary care hospital. There was evidence of leukocytosis and eosinophilia in preoperative laboratory assessment. The patient underwent an exploratory laparotomy, a total abdominal hysterectomy, bilateral salpingo-oophorectomy, and pelvic lymph node dissection. Histopathology confirmed a low-grade uterine leiomyosarcoma confined to the uterus. There was extensive infiltration of the tumor with eosinophils. The systemic leukocytosis and the absolute eosinophilia responded to surgical removal of the tumor, with normalization of values in the immediate postoperative period. CONCLUSION: A differential diagnosis of malignancy should be entertained during an evaluation of systemic eosinophilia.

Aged↗
PubMed1994

Transurethral microwave thermotherapy of nonbacterial prostatitis and prostatodynia: initial experience.

OBJECTIVES: To report our early experience using transurethral microwave thermotherapy (TUMT) to treat patients with nonbacterial prostatitis (NBP) and prostatodynia. METHODS: Nineteen patients with NBP (symptoms, negative cultures, no response to antibiotics, leukocytosis in expressed prostatitic fluid) and 5 patients with prostatodynia (symptoms, negative cultures, no response to antibiotics, no leukocytosis in expressed prostatitic fluid) were treated with TUMT at interstitial temperatures of 45 degrees to 60 degrees C for 1 hour. Response was assessed by a consistent symptom severity index and global assessment of symptoms. RESULTS: A marked and significant early (3 months) favorable response was noted in nearly one half of the NBP group but little benefit was found in the prostatodynia group. The treatment was associated with few adverse experiences. CONCLUSIONS: TUMT appears to be a potentially effective therapy for NBP, but its real efficacy as well as the durability of the response needs to be confirmed with a randomized double-blind sham-controlled trial.

Adult↗
PubMed2002

Acquired gain of an X chromosome as the sole abnormality in the blast crisis of chronic neutrophilic leukemia.

Chronic neutrophilic leukemia (CNL) is a rare myeloproliferative disorder characterized by sustained neutrophilic leukocytosis and absence of the Philadelphia chromosome. Most patients with CNL have normal karyotypes, and no specific cytogenetic abnormality has been identified. We report here a patient with CNL that evolved to myeloid blast crisis. A 73-year-old man was admitted to the hospital because of marked leukocytosis (leukocyte count 112.5 x 10(9)/L with 91% segmented neutrophils) and massive hepatosplenomegaly that was diagnosed as CNL with a normal karyotype. After treatment with hydroxyurea for 7 months, the disease progressed to a blast crisis. Bone marrow showed myeloid hyperplasia with 21% myeloblasts, 15% promyelocytes, and marked dysplastic changes of neutrophils. Blastic cells were positive for CD10, CD13, CD14, CD33, CD34, and HLA-DR. Chromosome analysis of the bone marrow cells showed 46,XY,+X in all 20 metaphase spreads. We reviewed 15 cases of CNL terminating in the blast crisis and confirmed that all cases transformed into myeloid crises and had poor prognoses. Furthermore, to our knowledge, this is the first case showing the acquired gain of an extra X chromosome as a sole abnormality in CNL. The gain of an extra X chromosome may play an important role in the progression from chronic phase to the blast crisis of CNL.

Aged↗
PubMed1981

Cellulitis: initial management.

Although Staphylococcus aureus and Streptococcus pyogenes cause the majority of cellulitis, recent studies have shown a significant role for Hemophilus influenzae in facial, and less frequently, nonfacial infections. We devised an algorithm for the initial management of cellulitis based on our previous investigations showing a correlation of this organism with fever, leukocytosis, and facial involvement. Children were divided into four groups characterized as follows: Group I - extremity, temperature less than 38.5 C; Group II - extremity, temperature greater than 38.5 C, WBC less than 15,000/cu mm; Group III - extremity, temperature greater than 38.5 C, WBC greater than 15,000/cu mm; and Group IV - facial. Forty-five children were successfully followed. There were 34 in Group I, five in Group II, one in Group III, and five in Group IV. Two children in Group IV and the only child in Group III had H influenzae, recovered form the blood (3) or a direct aspirate (1). All three were febrile, with a range of 39.5 C to 40.1 C and has an elevated white blood cell count with a range of 19,200/cu mm to 26,000/cu mm. With one exception, children with cellulitis not due to H influenzae did not have both fever and leukocytosis. This algorithm allows the clinician to identify children with H influenzae cellulitis who are at risk for septic complications while minimizing unnecessary diagnostic or therapeutic interventions.

Adolescent↗
PubMed2001

The effect of the zeolite clinoptilolite on serum chemistry and hematopoiesis in mice.

Zeolites are natural or synthetic crystalline alumosilicates with ion exchanging properties. Supplied in fodder, they promote biomass production and animal health. Our aim was to assess the effects of the natural zeolite, clinoptilolite, on hematopoiesis, serum electrolytes and essential biochemical indicators of kidney and liver function in mice. Two preparations differing in particle size were tested: a powderized form obtained by countercurrent mechanical treatment of the clinoptilolite (MTCp) and normally ground clinoptilolite (NGCp). Young adult mice were supplied with food containing 12.5, 25 or 50% clinoptilolite powder. Control animals received the same food ration without the clinoptilolite. After 10, 20, 30 and 40 days, six animals from each group were exsanguinated to obtain blood for hematological and serum for biochemical measurements as well as to collect femoral bone marrow for determination of hematopoietic activity. Clinoptilolite ingestion was well tolerated, as judged by comparable body masses of treated and control animals. A 20% increase of the potassium level was detected in mice receiving the zeolite-rich diet, without other changes in serum chemistry. Erythrocyte, hemoglobin and platelet levels in peripheral blood were not materially affected. NGCp caused leukocytosis, with concomitant decline of the GM-CFU content in the bone marrow, which was attributed to intestinal irritation by rough zeolite particles. The mechanically treated clinoptilolite preparation caused similar, albeit less pronounced, changes. In a limited experiment, mice having transplanted mammary carcinoma in the terminal stage showed increased potassium and decreased sodium and chloride levels, severe anemia and leukocytosis, decreased bone marrow cellularity and diminished content of hematopoietic progenitor cells in the marrow. The clinoptilolite preparations ameliorated the sodium and chloride decline, whereas the effects on hematopoiesis were erratic.

Administration, Oral↗
PubMed1976

Stimulatory effect of staphylococcal leukocidin on granulopoiesis disturbed by cytostatic agents.

Functional tests of granulopoiesis (leukocytosis, bone marrow picture, incubation in vitro of bone marrow with [3H]thymidine followed by radioautography and counting of labeled promyelocytes and myelocytes, serum muramidase level, liberation of granulocyte bone marrow reserve, Nitro-BT reduction in blood granulocytes, enzyme cytochemistry, and phagocytosis) were performed in rabbits given bubulphan (10 mg/kg) or 5-fluorouracil (200 mg/kg). Determinations were carried on serially during treatment with cytostatics. Some of the cytostatic-treated animals received intravenous (i.v.) injections of purified staphylococcal leukocidin in daily doses of 0.1 mg/kg. In control animals, theleukocidin resulted in stimulation of granulopoiesis (leukocytosis, increased number of [3H]thymidine-labeled myelocytes, elevated serum muramidase level). Animals receiving cytostatics suffered from marked inhibition of granulopoiesis accompanied by decrease of bone marrow granulocyte reserve. Injection of staphylococcal leukocidin during the period of myelosuppression evoked by cytostatics resulted in partial protection of granylopoiesis and faster regeneration of the leukocyte system.

Animals↗
PubMed1989

Smokers' dysmyelopoiesis--bone marrow alterations associated with cigarette smoking.

Cigarette smoking is frequently associated with leukocytosis (with normal differential count) and polyglobulia in the peripheral blood. Corresponding studies on bone marrow alterations in smokers have not been done until now. We therefore investigated bone marrow trephine biopsies of 32 smoking persons. Biopsies had been mainly performed because of mild peripheral leukocytosis. In all cases we found a moderate increase in granulopoietic cells with a significant shift to the right and a distinct stimulation of phagocytic activity in macrophages. According to cytochemical findings, neutrophils are the major target of this phagocytic activity. We interpret these results as a smoking induced inhibition of locomotion in segmented neutrophils leading to an accumulation of mature polymorphs in the bone marrow with consecutive break-down and phagocytosis of senescent cells. We propose the designation "smokers' dysmyelopoiesis" for these changes.

Adult↗
PubMed1988

Multiple foreign bodies (fish bones) in the esophagus and rectum.

Multiple foreign bodies (fish bones) in the esophagus and rectum, seen in a 64-year-old man, are reported. This patient suffered from severe pain on swallowing after he had eaten fried fish. Five days later, he was referred to us, and underwent removal of a piece of fish bone under direct metal esophagoscopy. After surgery, fever and leukocytosis still continued, even though pain on swallowing disappeared. Periesophageal abscess was suspected; but no leakage or abnormal shadow was found by esophagography. Since the patient complained of severe anal pain five days after the endoscopic procedure, a romanoscopy was performed: a fish bone in the rectum and periproctal abscess were detected. Removal of the foreign body and incision of the periproctal abscess caused fever and leukocytosis to subside. A review of the literature revealed only a very few cases of multiple foreign bodies in the esophagus and lower digestive tract.

Endoscopy↗
PubMed1996

C-reactive protein for the evaluation of acute abdominal pain.

The diagnostic value of C-reactive protein (CRP) was established in 143 patients with acute abdominal pain, 67 men and 76 women with mean age of 48 +/- 20 years old. Clinical and laboratory variables were collected after the patients' arrival at the emergency department. The attending clinicians did not consider the CRP value during the study period and did not use it for their management. When patients were grouped by final disposition, which was according to severity, only CRP and leukocyte count were identified as significant quantitative variables by multivariate analysis. CRP can detect the serious conditions, ie, in 79% of the hospitalized group, although specificity was 64%, the total accuracy was 73%. When elevated CRP was combined with leukocytosis, the diagnostic value was much improved, with specificity of 89% and positive predictive value of 88%. The sensitivity was improved to 90% when elevated CRP or leukocytosis was used. It is thus concluded that CRP is a helpful quantitative variable for disposition decision-making in patients with acute abdominal pain.

Abdomen, Acute↗
PubMed1995

Effect of thalidomide on the inflammatory response in cerebrospinal fluid in experimental bacterial meningitis.

In experimental bacterial meningitis in rabbits, the inflammatory process is largely mediated by cytokines such as IL-1 and TNF-alpha. Since thalidomide has been shown to inhibit TNF-alpha production, experiments were carried out to determine whether the drug can modulate the inflammatory response to either lysates of H. influenzae (gram negative) or heat killed S. pneumoniae (gram positive) in rabbits. The introduction of a lysate of H. influenzae into the CSF of rabbits causes a very acute inflammatory response, as indicated by a rapid increase in TNF-alpha levels in the CSF and a concomitantly rapid leukocytosis. In contrast, the introduction of heat killed S. pneumoniae, induces a more indolent inflammatory response which also wanes more slowly. Thalidomide treatment reduces TNF-alpha production in both experimental systems, but has a greater effect on the more indolent gram positive inflammatory response in which peak TNF-alpha levels in the CSF are reduced by > 50%. Also, a sustained inhibition of leukocytosis is observed in the inflammatory response to heat-killed gram positive bacteria. In meningeal inflammation induced by the Gram negative lysate, treatment with thalidomide results in only a 29% inhibition of TNF-alpha release into the CSF. In contrast to the drug effect on TNF-alpha, thalidomide treatment does not significantly affect IL-1 levels in these models of rabbit bacterial meningitis.

Animals↗
PubMed1998

Chronic neutrophilic leukemia associated with chronic lymphocytic leukemia.

We report on an 83-year-old male with chronic neutrophilic leukemia (CNL) associated initially with IgM monoclonal gammopathy and later with B cell chronic lymphocytic leukemia (CLL), in which the clone differed from that of the preceding monoclonal gammopathy. At initial presentation, the patient had hepatosplenomegaly, leukocytosis (29100 x 10(6)/l) with an increase of mature neutrophils (83%), 20q- chromosomal abnormality, an increased leukocyte alkaline phosphatase score, elevated serum levels of vitamin B12 and uric acid, a low serum level of granulocyte colony-stimulating factor, and high serum IgM (1015 mg/dl: lambda type M protein). Thereafter, lymphocytosis developed gradually. Three years after the initial presentation, the patient had no serum M protein, but showed evidence of leukocytosis (36600 x 10(6)/l) with 20q- chromosomal abnormality and an increase of mature neutrophils (51%) and small lymphocytes (43.5%), CD5+/19+/20+/HLA-DR+ and surface membrane IgM+/D+/kappa+. Gene rearrangements of the immunoglobulin heavy and kappa light chains were also present. To our knowledge, this is the first reported case of CNL associated with CLL.

Aged↗
PubMed1997

Tuboovarian abscess in the adolescent.

Tuboovarian abscess is a serious consequence of pelvic inflammatory disease, especially in the adolescent population. Early diagnosis and treatment are essential to prevent further sequelae including infertility, ectopic pregnancy, and chronic pelvic pain. Not all patients, however, present with pelvic pain, pelvic mass, fever, and leukocytosis. We present the case of a sexually active 15-year-old black girl who presented with mild abdominal pain and excessive vaginal bleeding without pelvic mass, fever, or leukocytosis. Erythrocyte sedimentation rate was 66 mm/h. Pelvic ultrasound revealed bilateral complex ovarian masses. At laparoscopy, the patient had bilateral tuboovarian abscesses with extensive adhesions to the pelvic side walls. This case illustrates the need for a high index of suspicion of tuboovarian abscess in sexually active adolescents.

Abscess↗