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On ethanol withdrawal proven unisom 25mg, inhibitory input from ethanol is removed; therefore cheap 25mg unisom overnight delivery, excitatory influences are relatively unopposed discount 25mg unisom. The neurons release increased quantities of glutamate, which may act on up-regulated receptors. The unopposed cellular hyperexcitability can promote seizure activity as groups of neurons become overexcited. Emo- of the cAMP pathway in VTA interneurons during with- tional and motivational aspects of dependence are inferred drawal could lead to increased GABA release and conse- in humans from the dysphoria, anhedonia, and, anxiety that quently to reduced firing of the dopaminergic cells on which may accompany withdrawal from psychostimulants (49) they synapse. Such activity might partially account for the and other addictive drugs. One animal model for emo- reductions in dopaminergic neurotransmission from the tional–motivational aspects of dependence is elevation of VTA to the NAc observed during early phases of withdrawal brain stimulation reward thresholds. Direct electrical stimu- and that are believed to contribute to withdrawal symp- lation of brain reward pathways is both rewarding and rein- toms. Acute administration of addictive drugs decreases One mechanism that could contribute to aversive states the level of stimulation necessary to achieve rewarding levels that occur with psychostimulant withdrawal is up-regula- of stimulation. However, if drugs are repeatedly adminis- tion of the neuropeptide dynorphin. In the dorsal and ven- tered and then withdrawn, there is a marked increase in tral striatum, levels of prodynorphin mRNA and dynorphin the threshold for achieving reward, as if the brain reward peptides increase significantly following repeated adminis- pathways are in a state of decreased responsiveness (50). A significant increase Based on this and other models, it has been hypothesized in prodynorphin mRNA is observed after rats self-adminis- that reduced mesolimbic dopaminergic activity is associated ter cocaine (53)and, in postmortem studies of cocaine- with the emotional–motivational aspects of dependence dependent human drug abusers, there is a marked induction and withdrawal; however, brain reward circuitry is complex, of prodynorphin, but not other peptide mRNAs in the stria- and it is to be expected that many adaptive processes occur tum (54). For example, relevant adap- Dynorphin peptides are relatively selective for the op- tations likely occur both in NAc and in VTA neurons. In- iate receptor, and exert inhibitory actions in the nervous deed there is evidence of up-regulation of the cAMP path- system via the G protein, Gi. Stimulation of opiate recep- way with chronic administration of addictive drugs both tors on dopamine terminals within the dorsal and ventral in NAc neurons and in the GABAergic interneurons that striatum appears to decrease dopamine release. Consistent innervate dopaminergic neurons of the VTA. Up-regulation with this, activation of receptors is associated behaviorally Chapter 96: Molecular and Cellular Biology of Addiction 1375 with an aversive dysphoric syndrome both in humans (55) PKA. PKA can then phosphorylate numerous substrates in- and rats (56). Thus, increases in dynorphin peptides pro- cluding CREB, a transcription factor that binds cAMP re- duced by chronic cocaine or amphetamine administration sponse elements (CREs)in numerous genes. Indeed, co- may inhibit dopamine release and contribute to emo- caine and amphetamine (59)have been shown to induce tional–motivational aspects of psychostimulant with- phosphorylation of CREB in striatal neurons via a D1 re- drawal. Thus, at the same time that D1 receptor stimulation mine receptor stimulation (57)because selective D1 recep- acutely contributes to the acute rewarding effects of cocaine tor agonists inhibit it. Moreover, the prodynorphin gene is and amphetamine, it also initiating a cascade of homeostatic expressed in the striatum in D1 receptor bearing cells (58). One of these adaptations is adenylyl cyclase to produce cAMP, which in turn activates induction of dynorphin peptides (Fig. Dynorphin gene regulation by psychostimulants: implications for central motive states. Cocaine and amphetamine increase levels of dopamine in the nucleus accumbens and dorsal striatum. D1 receptor stimulation by dopamine leads to activation of the cAMP pathway, phosphorylation of CREB and ultimately the transcription of CRE-regulated genes such as c-fos and prodynorphin. Glutamate, via the NMDA receptor, as well as L-type calcium channels similarly contribute to CREB phosphorylation and CRE-driven gene expression in these dopaminoceptive neurons. Release of dynorphin inhibits dopamine release by binding to its presynaptic target, the opiate receptor, on DA nerve terminals. The dynorphin negative-feedback mechanism for controlling dopamine levels also contributes to aversive feelings and dysphoria due to its actions at the opiate receptor. Aspects of Withdrawal One type of adaptation that occurs outside the mesocorti- Associative Learning colimbic dopamine system that may contribute to aversive Both humans and animals readily learn to self-administer states, and thus drug seeking, is up-regulation of corticotro- addictive drugs; behaviors that require the specific recogni- pin releasing factor (CRF). This neuropeptide is expressed tion of drug-associated cues, and the performance of com- in the hypothalamus, central nucleus of the amygdala, and plex action sequences. Cues associated with drug adminis- other brain regions. In the hypothalamus CRF has been tration acquire motivational significance as illustrated by shown to be critical in the initiation of stress hormone cas- the conditioned place preference paradigm; for example, cades that culminate in the release of cortisol from the adre- rats will choose to spend more time in a location in which nal cortex. CRF released in the central nucleus of the amyg- they have passively received an injection of psychostimu- dala has been implicated in anxiety states. Several studies lants than in another location paired with saline injection have implicated CRF systems in the mediation of many (66). Associative learning also appears to play a role in psy- of the angiogenic and aversive aspects of drug withdrawal. If, for example, a rat is taken Increased release of CRF, particularly in the central nucleus from its home cage to a novel 'test' cage for intermittent of the amygdala, occurs during withdrawal from ethanol, amphetamine injections, the sensitized locomotor response opiates, cocaine, and cannabinoids. CRF antagonists have to a challenge dose is much greater if the challenge is also reversed at least some of the aversive effects of cocaine, given in that test cage than if given in a different environ- ethanol, and opiate withdrawal in laboratory animals. Such context dependence can dominate the behavioral effects with sensitization expressed in the drug- associated location, no sensitization at all in a different envi- Alterations inExpressionof ronment (69,70). In drug-addicted humans, late relapses Transcription Factors May Impact Diverse appear to involve associative learning, as they often occur Neuronal Processes after encounters with people, places, or other cues previously associated with drug use (71,72). As described, conditioned Drug-induced changes in expression of transcription factors responses to drug-associated cues persist far longer than may lead to the altered expression of specific target genes, withdrawal symptoms (36), and can occur despite years of which in turn may affect both homeostatic adaptations and abstinence from drugs. In addition to regulating the peptide At a systems level, context-dependent sensitization in an- precursor gene, prodynorphin, D1 receptor-mediated stim- imal models and cue-conditioned relapse in humans sug- ulation of CREB induces a large number of immediate early gests that the brain stores specific patterns of drug-related genes (IEGs)including several that encode transcription fac- information. Homeostatic responses that increase or de- tors, including c-fos, fras, junB, and zif268 (61–64). One crease the gain on the overall responsiveness of dopami- interesting finding is that one CREB regulated transcription nergic or other neurotransmitter systems in the brain could factor, FosB, a truncated isoform of Fos B has a long half- not mediate selective responsiveness to specific contexts or life compared to all other members of the Fos family of cues. Thus, general homeostatic mechanisms are not ade- transcription factors. Unlike other members of the Fos fam- quate to explain these phenomena. Elsewhere it has been ily, FosB is only slightly induced by acute stimulation, argued that core features of addiction arise from the inap- but because it is long lived, it begins to accumulate with propriate recruitment of molecular mechanisms normally repeated stimulation, including repeated administration of responsible for associative learning (37). Thus, long-term, but not short-term, persistence of drug addiction reflects the persistence of the administration of cocaine, amphetamine, opiates, nicotine, memory for this learned experience in the form of altered or PCP induces FosB in the NAc and dorsal striatum. Accumulation of FosB represents a molecular motes activation of the transcription factor CREB (59,73) mechanism by which drug-induced changes in gene expres- and a transient burst of altered gene expression (74). The sion can persist for weeks—even after drug use has been induction of multiple transcription factors by this mecha- discontinued.
Arch Gen Psychiatry 1996; Psychiat Scand 1987;75(2):150–157 order unisom 25 mg with amex. Arch Gen Psychiatry 1999; alpha-2 adrenoceptor density in major depression: effects of 56(5):395–403 buy cheap unisom 25 mg on-line. Monoamine metabo- amine output and heterologous desensitization of platelet ade- lites in CSF and suicidal behavior 25mg unisom free shipping. Platelet alpha adrener- nal fluid 5-hydroxyindoleacetic acid concentration differentiates gic binding and biochemical responsiveness in depressed pa- impulsive from nonimpulsive violent behavior. Aggression, suicidality and seroto- receptor-mediated inhibition of platelet adenylate cyclase and nin. Is platelet imipramine binding reduced in term antidepressant drug treatment. Differential inhibitory mine binding in the brains of patients with depressive illness. The growth hormone [123I]-2-beta-carbomethoxy-3-beta-(4-iodophenyl)tropane and response to clonidine in acute and remitted depressed male pa- single photon emission computed tomography. Increased serotonin1 (5-HT2) receptor rine systems in mood disorders. New York: in the blood platelets of depressed patients. Serotonin 5-HT2 receptor in the brain of suicide victims: increased receptor density associ- binding on blood platelets as a state dependant marker in major ated with major depression. Brain alpha- receptor binding sites in depression and suicide. Biol Psychiatry adrenoceptors in depressed suicides. Effects of selective 1048 Neuropsychopharmacology: The Fifth Generation of Progress serotonin reuptake inhibitors on platelet serotonin parameters 73. Serotonin transporter gene in major depressive disorders. Biol Psychiatry 1997;41(2): polymorphism and antidepressant response. Serotonin and the demonstration of increase serotonin 5-HT2 and beta-adrenergic neurobiology of depression. Effects of tryptophan depletion in receptor binding sites in the brain of suicide victims. Arch Gen Psychiatry 1994;51(11): Psychiatry 1990;47:1038–1047. Serotonin 5-HT2 receptor tomography measurement of cerebral metabolic correlates of imaging in major depression: Focal changes in orbito-insular tryptophan depletion-induced depressive relapse. Rapid serotonin deple- receptors in depression: An [18F] setoperone PET imaging tion as a provocative challenge test for patients with major study. Lack of relapse with receptors studied in depressive patients during chronic treat- tryptophan depletion following successful treatment with ACT. Decrease in brain seroto- cal consequences of rapid tryptophan depletion. Neuropsycho- nin 2 receptor binding in patients with major depression follow- pharmacology 2000;23:601–622. Protein kinase C in Proc Natl Acad Sci USA 1997;94:5308–5313. Hormonal responses to fenfluramine in pholipase C 1 protein in the prefrontal cortex of teenage sui- depressed and control subjects. Growth-associated protein fenfluramine in major depression: evidence of diminished re- (GAP43), its mRNA, and protein Kinase C (PKc) izoenzymes sponsivity of central serotonergic function. Am J Psychiatry in brain regions of depressed suicides. Altered brain protein depression is not associated with normalization of serotonergic kinase C in depression: a post-mortem study. Serotonergic measures in dopamine transmission among patients with depression who suicide brain: 5-HT1A binding sites in frontal cortex of suicide attempted suicide. Serotonin recep- creased in depression: CSF dopamine, noradrenaline and their tors in suicide victims with major depression. Neuropsychophar- metabolites in depressed patients and controls. Urinary monoamines and porter gene promoter polymorphism (5-HT TLPR) and pre- monoamine metabolites in subtypes of unipolar depressive dis- frontal cortical binding in major depression and suicide. Polymorphism within roid/dopamine hypothesis for psychotic depression and related the promoter of the serotonin transporter gene and antidepres- states. Psychotic and the promoter of the serotonin transporter gene. I: Comparison of plasma catechola- pharmacol 2000;20(1):105–107. Glucocorti- the serotonin transporter promoter affects onset of paroxetine coid effects on mesotelencephalic dopamine neurotransmission. Stress-level cortisol treat- Chapter 72: Molecular and Cellular Mechanisms in Depression 1049 ment impairs inhibitory control of behavior in monkeys. J Neu- major depression: increase during the depressive episode and rosci 2000;20:7816–7821. Benzodiazepine and GABA relationship to dexamethasone suppresion test results in patients receptors in rat brain following chronic antidepressant drug ad- with affective disorder. GABA levels in CSF hour monitoring of cortisol and corticotropin secretion in psy- of patients with psychiatric disorders. Am J Psychiatry 1980; chotic and nonpsychotic major depression. Plasma GABA in affective illness, a pre- ventricular nucleus of the hypothalamus in depression. Plasma levels aminobutyric acid levels in male patients with depression. Biol of arginine vasopressin elevated in patients with major depres- Psychiatry 1992;32:354–363. Effects of the high- plasma and CSF gamma-aminobutyric acid in affective illness: affinity corticotrophin-releasing hormone receptor 1 antagonist effect of lithium carbonate. R121919 in major depression: the first 20 patients treated. Amino acid levels in nomic responses to stress in women after sexual and physical depression: a preliminary investigation. Cortisol production tive CSF TRH in depressed patients.
Parenteral penicillin G is the only therapy with documented Sexual partners of infected patients should be considered efcacy for syphilis during pregnancy buy unisom 25 mg low cost. Pregnant women with at risk and provided treatment if they have had sexual contact syphilis in any stage who report penicillin allergy should be with the patient within 3 months plus the duration of symp- toms for patients diagnosed with primary syphilis buy unisom 25mg cheap, 6 months Vol discount unisom 25mg online. Treatment should be guided by the results of this evaluation. Primary and Secondary Syphilis Invasion of CSF by T. Terefore, in the absence Parenteral penicillin G has been used efectively for more of clinical neurologic fndings, no evidence exists to support than 50 years to achieve clinical resolution (i. Symptomatic neurosyphilis develops in only a limited vent late sequelae. However, no comparative trials have been number of persons after treatment with the penicillin regimens adequately conducted to guide the selection of an optimal recommended for primary and secondary syphilis. Substantially fewer data are available for nonpenicillin involvement are present or treatment failure is documented, regimens. However, HIV–Infected Persons and Syphilis in Pregnancy). Available data demonstrate that additional doses of ben- In addition, nontreponemal test titers might decline more zathine penicillin G, amoxicillin, or other antibiotics in early slowly for persons who previously have had syphilis (207). Recommended Regimen for Infants and Children Patients who have signs or symptoms that persist or recur Infants and children aged ≥1 month diagnosed with syphi- or who have a sustained fourfold increase in nontreponemal lis should have a CSF examination to detect asymptomatic test titer (i. Tese patients should be retreated and reevaluated or acquired syphilis (see Congenital Syphilis). Because treatment failure usually cannot acquired primary or secondary syphilis should be evaluated be reliably distinguished from reinfection with T. Sexual Assault or Abuse of Children) and treated by using the Although failure of nontreponemal test titers to decline following pediatric regimen. Persons whose titers do not decline should be reevaluated for HIV other Management Considerations infection. At a All persons who have syphilis should be tested for HIV minimum, these patients should receive additional clinical and infection. In geographic areas in which the prevalence of HIV is serologic follow-up. If additional follow-up cannot be ensured, high, persons who have primary syphilis should be retested for retreatment is recommended. Because treatment failure might HIV after 3 months if the frst HIV test result was negative. In rare instances, serologic titers do not decline Latent Syphilis despite a negative CSF examination and a repeated course of Latent syphilis is defined as syphilis characterized by therapy. In these circumstances, the need for additional therapy seroreactivity without other evidence of disease. Patients who or repeated CSF examinations is unclear, but is not generally have latent syphilis and who acquired syphilis during the recommended. In Data to support the use of alternatives to penicillin in addition, for persons whose only possible exposure occurred the treatment of early syphilis are limited. However, several during the previous 12 months, reactive nontreponemal and therapies might be efective in nonpregnant, penicillin-allergic treponemal tests are indicative of early latent syphilis. In the patients who have primary or secondary syphilis. Doxycycline absence of these conditions, an asymptomatic person should be 100 mg orally twice daily for 14 days (209,210) and tetracy- considered to have late latent syphilis or syphilis of unknown cline (500 mg four times daily for 14 days) are regimens that duration. Nontreponemal serologic titers usually are higher have been used for many years. Compliance is likely to be during early latent syphilis than late latent syphilis. However, better with doxycycline than tetracycline, because tetracycline early latent syphilis cannot be reliably distinguished from late can cause gastrointestinal side efects. Although limited clini- latent syphilis solely on the basis of nontreponemal titers. All cal studies, along with biologic and pharmacologic evidence, patients with latent syphilis should have careful examination suggest that ceftriaxone (1 g daily either IM or IV for 10–14 of all accessible mucosal surfaces (i. All patients who have syphilis should be tested for early syphilis (212–214). As such, the use of Because latent syphilis is not transmitted sexually, the azithromycin should be used with caution only when treatment objective of treating patients with this stage of disease is to with penicillin or doxycycline is not feasible. Although clinical experience supports should not be used in MSM or pregnant women. Close follow- the efectiveness of penicillin in achieving this goal, limited up of persons receiving any alternative therapies is essential. Persons with a penicillin allergy whose compliance with Te following regimens are recommended for penicillin therapy or follow-up cannot be ensured should be desensitized nonallergic patients who have normal CSF examinations (if and treated with benzathine penicillin. HIV Infection See Syphilis Among HIV-Infected Persons. In such circumstances, even if Infants and children aged ≥1 month who have been diag- the CSF examination is negative, retreatment for latent syphilis nosed with syphilis should have a CSF examination to exclude should be initiated. In rare instances, despite a negative CSF neurosyphilis. In addition, birth and maternal medical records examination and a repeated course of therapy, serologic titers should be reviewed to assess whether children have congenital might fail to decline. In these circumstances, the need for or acquired syphilis (see Congenital Syphilis). Older children additional therapy or repeated CSF examinations is unclear. Tese regimens are See General Principles, Management of Sex Partners. Penicillin Allergy Recommended Regimens for Children The effectiveness of alternatives to penicillin in the Early Latent Syphilis treatment of latent syphilis has not been well documented. Benzathine penicillin G 50,000 units/kg IM, up to the adult dose of 2. Te only acceptable alternatives for the units/kg up to the adult total dose of 7. Based on biologic plausibility Patients diagnosed with latent syphilis who demonstrate and pharmacologic properties, ceftriaxone might be efective any of the following criteria should have a prompt CSF for treating late latent syphilis or syphilis of unknown duration. Some patients who altered mental status, and loss of vibration sense) or are allergic to penicillin also might be allergic to ceftriaxone; ophthalmic signs or symptoms (e. Te efcacy of these alternative regimens in HIV- gumma); or infected persons has not been well studied. If a patient misses a dose of penicillin in a course of weekly Pregnancy therapy for late syphilis, the appropriate course of action is Pregnant patients who are allergic to penicillin should be unclear. Pharmacologic considerations suggest that an inter- desensitized and treated with penicillin (see Management of val of 10–14 days between doses of benzathine penicillin for Patients Who Have a History of Penicillin Allergy and Syphilis late syphilis or latent syphilis of unknown duration might be During Pregnancy).
H ypercalciuria is a result of increased GFR and of increases in circulating 1 buy generic unisom 25mg online,25-dihydroxy-vitam in D3 in pregnancy (absorptive hypercalciuria) buy unisom 25 mg. The renin-angiotensin system is stim u- lated during gestation generic unisom 25 mg, and cum ulative retention of approxim ately 950 m Eq of sodium occurs. This sodium retention results from a com plex interplay between natriuretic and antinatriuretic stim uli present during gestation. A, During norm al gestation, serum ↓ Serum sodium and ↓ Posm unchanged compared with + osmolality decreases by 10 mosm/L and serum sodium (Na ) decreases with ↓ Osmotic Threshold women who are not pregnant by 5 m Eq/L. A resetting of the osm oreceptor system occurs, with for the argenine vasopressin release and thirst decreased osm otic thresholds for both thirst and vasopressin release. B, Serum chloride (Cl-) levels essentially are unchanged during pregnancy. C, Despite significant increases in aldosterone levels + - during pregnancy, in most women serum potassium (K+) levels are Na Cl 136 mEq/L 104 mEq/L either norm al or, on average, 0. K HCO3 D, Arterial pH is slightly increased in pregnancy owing to m ild respiratory alkalosis. The hyperventilation is believed to be an effect of progesterone. Plasma bicarbonate (HCO- ) concentrations 3 C M ild hypokalemia may be D M ild respiratory alkalosis is decrease by about 4 m Eq/L. N orm al pregnancy is associated with profound alterations in B, Despite the decrease in blood pressure, plasm a renin activity cardiovascular and renal physiology. These alterations are (PRA) increases during the first few weeks of pregnancy; on accom panied by striking adjustm ents of the renin-angiotensin- average, close to a fourfold increase in PRA occurs by the end of aldosterone system. A, Blood pressure and peripheral vascular the first trim ester, with additional increases until at least 20 resistance decrease during norm al gestation. The source of the increased renin is thought to be the blood pressure is apparent by the end of the first trim ester of m aternal renal release of renin. Although a correlation exists aldosterone, which m ay reflect an increased production of the between the increase in renin and that of aldosterone, the latter 3-oxo conjugate m easured in urine. D, Despite the m arked increas- increases to a greater degree in late pregnancy. This observation es in aldosterone during pregnancy, 24-hour urinary sodium and suggests that other factors may regulate secretion to a greater degree potassium excretion rem ain in the norm al range. Urinary aldosterone (From W ilson and coworkers; with perm ission. W e determ ine whether changes in the RAS in pregnancy are prim ary, and the cause of the increase in plasm a vol- 80 20 um e, or whether these changes are secondary to the vasodilation and changes in blood pressure. To do so, we adm inistered a single 75 15 * dose of captopril to norm otensive pregnant wom en in their first P <. W e then m easured m ean arterial pressure (M AP) P < 0. This observation suggests that the A B RAS plays a greater role in supporting blood pressure in pregnan- cy. B, Baseline PRA was higher in pregnant wom en com pared with those who were not pregnant, and pregnant wom en had a greater increase in renin after captopril com pared with those who were not pregnant. Som e wom en PREGNANCY AND RENAL DISEASE with intrinsic renal disease, particularly those with baseline azotemia and hypertension, suffer m ore rapid deterioration in renal function after gestation. In general, as kidney disease progresses and function Impact of pregnancy on renal disease Impact of renal disease on pregnancy deteriorates, the ability to sustain a healthy pregnancy decreases. The Hemodynamic changes → hyperfiltration Increased risk of preeclampsia presence of hypertension greatly increases the likelihood of renal deterioration. Although hyperfiltration (increased glom erular Increased proteinuria Increased incidence of prematurity, intrauterine growth retardation filtration rate) is a feature of norm al pregnancy, increased intra- Intercurrent pregnancy-related illness, eg, preeclampsia glom erular pressure is not a m ajor concern because the filtration Possibility of permanent loss fraction decreases. Possible factors related to the pregnancy-related of renal function deterioration in renal function include the gestational increase in proteinuria and intercurrent pregnancy-related illnesses, such as preeclam psia, that m ight cause irreversible loss of renal function. W om en with renal disease are at greater risk for com plications related to pregnancy such as preeclam psia, prem ature delivery, and intrauterine growth retardation. Diabetes M ellitus and Pregnancy FIGURE 10-7 RENAL DISEASE CAUSED Diabetes mellitus is a common disorder in pregnant women. Patients with overt nephropathy BY SYSTEM IC ILLNESS are likely to develop increased proteinuria and m ild but usually reversible deteriorations in renal function during pregnancy. H ypertension is com m on, and preeclam psia occurs in 35% of wom en. Pregnancies in women with evidence Pregnancy and SLE* Antiphospholipid antibody syndrome in pregnancy of nephritis are potentially hazardous, partic- ularly if active disease is present at the time Poor outcome is associated with the following: Increased fetal loss of conception or if the disease first develops Active disease at conception Arterial and venous thromboses during pregnancy. W hen hypertension and Disease first appearing during pregnancy Renal vasculitis, thrombotic microangiopathy azotemia are present at the time of concep- Hypertension, azotemia in the first trimester Preeclampsia tion the risk of complications increases, as it High titers of antiphospholipid antibodies or Treatment: heparin and aspirin? The lupus anticoagulant presence of high titers of antiphospholipid antibodies also is associated with poor preg- *Systemic lupus erythematosus (SLE) is unpredictable during pregnancy. The presence of anti- phospholipid antibodies or the lupus anti- coagulant is associated with increased fetal loss, particularly in the second trim ester; increased risk of arterial and venous throm - bosis; m anifestations of vasculitis such as throm botic m icroangiopathy; and an increased risk of preeclam psia. Treatm ent consists of anticoagulation with heparin and aspirin. Lupus Versus Preeclampsia FIGURE 10-9 LUPUS FLARE-UP VERSUS PREECLAM PSIA In the second or third trim ester of pregnancy a clinical flare-up of lupus m ay be difficult to distinguish from preeclam psia. Treatm ent of a lupus flare-up m ight involve increased im m unosuppression, SLE PE whereas the appropriate treatm ent of preeclam psia is delivery. Thus, it is im portant to accurately distinguish these entities. Erythrocyte casts and hypocom - Hypertension + + plem entem ia are m ore likely to be a m anifestation of lupus, whereas Erythrocyte casts + - abnorm al liver function test results are seen in preeclam psia and not Azotemia + + usually in lupus. Low C3, C4 + - Abnormal liver function test results - +/- Low platelet count + +/- Low leukocyte count + - C— complement; minus sign— absent; plus sign— present; PE— preeclampsia; SLE— systemic lupus erythematosus. O verall, the outcom e in pregnancy is favorable when the serum creatinine level is less than 1. Anatomic, congenital Glomerulonephritis Interstitial nephritis Polycystic kidney disease Advanced Renal Disease Caused by Polycystic Kidney Disease FIGURE 10-11 POLYCYSTIC KIDNEY DISEASE Although advanced renal disease caused by polycystic kidney disease (PKD) usually devel- AND PREGNANCY ops after childbearing, wom en with this condition m ay have hypertension or m ild azotem ia. Pregnancy is associated with an increased incidence of asym ptom atic bacteriuria and urinary infection that m ay be Increased incidence of urinary tract infection m ore severe in wom en with PKD. The presence of m aternal hypertension has been shown Maternal hypertension associated with poor outcome to be associated with adverse pregnancy outcom es. Pregnancy has been reported to be associated with increased size and num ber of liver cysts owing to estrogen stim ulation. Extrarenal complications: subarachnoid hemorrhage, liver cysts W om en with intracranial aneurysm s m ay be at increased risk of subarachnoid hem orrhage during labor. M anagement of Chronic Renal Disease During Pregnancy FIGURE 10-12 MANAGEMENT OF CHRONIC RENAL M anagem ent of chronic renal disease during pregnancy is best DISEASE DURING PREGNANCY accom plished with a m ultidisciplinary team of specialists. Preconception counseling perm its the explanation of risks involved with pregnancy. Patients should understand the need for frequent Preconception counseling m onitoring of blood pressure and renal function.
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